List of places in California (S)
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| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
| Sablon | 1 | San Bernardino County | ||
| Sabre City | 1 | Placer County | 95678 | |
| Sacate | 1 | Santa Barbara County | ||
| Saco | 1 | Kern County | ||
| Sacramento | 1 | Sacramento County | 95801 | 66 |
| Sacramento Army Depot | 1 | Sacramento County | 95813 | |
| Sacramento Metropolitan Airport | 1 | Sacramento County | 95837 | |
| Sacramento South | 1 | Sacramento County | 95820 | |
| Saddle Junction | 1 | Riverside County | ||
| Sage | 1 | Mendocino County | ||
| Sage | 1 | Riverside County | 92343 | |
| Sage Hen | 1 | Lassen County | ||
| Sageland | 1 | Kern County | ||
| Sage Valley | 1 | Lassen County | 96311 | |
| Sagu | 1 | Sonoma County | ||
| Saint Bernard | 1 | Tehama County | ||
| Saint Francis Heights | 1 | San Mateo County | 94015 | |
| Saint Helena | 1 | Napa County | 94574 | |
| Saint James Park | 1 | Santa Clara County | 95113 | |
| Saint Johns | 1 | Tulare County | ||
| Saint Lawrence Terrace | 1 | San Luis Obispo County | 93451 | |
| Saint Louis | 1 | Sierra County | ||
| Saint Marys College | 1 | Contra Costa County | 94575 | |
| Saint Matthew | 1 | San Mateo County | 94401 | |
| Salida | 1 | Stanislaus County | 95368 | |
| Salinas | 1 | Monterey County | 93901 | 62 |
| Salmina | 1 | Napa County | ||
| Salminas Resort | 1 | Lake County | ||
| Salmon Creek | 1 | Sonoma County | 94923 | |
| Salt Creek | 1 | Shasta County | 96051 | |
| Saltdale | 1 | Kern County | 93519 | |
| Salton | 1 | Riverside County | ||
| Salton City | 1 | Imperial County | 92274 | |
| Salton Sea Beach | 1 | Imperial County | 92274 | |
| Saltus | 1 | San Bernardino County | 92304 | |
| Salt Works | 1 | San Diego County | ||
| Salvador | 1 | Napa County | 94559 | |
| Salvia | 1 | Riverside County | ||
| Salyer | 1 | Trinity County | 95563 | |
| Samoa | 1 | Humboldt County | 95564 | |
| San Andreas | 1 | Calaveras County | 95249 | |
| San Anselmo | 1 | Marin County | 94960 | |
| San Antonio Heights | 1 | San Bernardino County | 91786 | |
| San Ardo | 1 | Monterey County | 93450 | |
| San Augustine | 1 | Santa Barbara County | ||
| San Benito | 1 | San Benito County | 95043 | |
| San Bernardino | 1 | San Bernardino County | 92400 | 99 |
| Sanborn | 1 | Kern County | ||
| San Bruno | 1 | San Mateo County | 94066 | |
| San Buenaventura | 1 | Ventura County | 93001 | 07 |
| San Carlos | 1 | San Diego County | ||
| San Carlos | 1 | San Mateo County | 94070 | |
| San Clemente | 1 | Orange County | 92672 | |
| San Clemente Island | 1 | Los Angeles County | ||
| Sandberg | 1 | Los Angeles County | 93532 | |
| Sand City | 1 | Monterey County | 93955 | |
| Sandcut | 1 | Kern County | ||
| Sanders | 1 | Sutter County | ||
| Sand Hill | 1 | Contra Costa County | ||
| Sandia | 1 | Imperial County | ||
| San Diego | 1 | San Diego County | 92101 | 99 |
| San Diego Country Estates | 1 | San Diego County | ||
| San Diego International Airport Lindbergh Field | 1 | San Diego County | 92112 | |
| San Diego Marine Corps Recruit Depot | 1 | San Diego County | 92140 | |
| San Diego Naval Communications Station | 1 | San Diego County | 92132 | |
| San Diego Naval Ocean Systems Center | 1 | San Diego County | 92152 | |
| San Diego Naval Public Works Center | 1 | San Diego County | 92136 | |
| San Diego Naval Regional Medical Center | 1 | San Diego County | 92134 | |
| San Diego Naval Station | 1 | San Diego County | 92136 | |
| San Diego Naval Submarine Support Facility | 1 | San Diego County | 92106 | |
| San Diego Naval Supply Center | 1 | San Diego County | 92132 | |
| San Diego Naval Training Center | 1 | San Diego County | 92133 | |
| San Dimas | 1 | Los Angeles County | 91773 | |
| Sands | 1 | San Bernardino County | ||
| Sandy Gulch | 1 | Calaveras County | ||
| Sandy Korner | 1 | Riverside County | 92274 | |
| Sandyland | 1 | Santa Barbara County | 93013 | |
| Sandyland Cove | 1 | Santa Barbara County | ||
| San Emidio | 1 | Kern County | ||
| San Felipe | 1 | San Diego County | ||
| San Felipe | 1 | Santa Clara County | 95023 | |
| San Fernando | 1 | Los Angeles County | 91340 | 46 |
| Sanford | 1 | Los Angeles County | 90005 | |
| San Francisco | 1 | San Francisco County | 94101 | 88 |
| San Francisco International Airport | 1 | San Mateo County | ||
| San Francisco Naval Public Works Center | 1 | Alameda County | 94623 | |
| San Gabriel | 1 | Los Angeles County | 91775 | 78 |
| Sanger | 1 | Fresno County | 93657 | |
| San Geronimo | 1 | Marin County | 94963 | |
| San Gregorio | 1 | San Mateo County | 94074 | |
| San Ignacio | 1 | San Diego County | ||
| Sanitarium | 1 | Napa County | ||
| San Jacinto | 1 | Riverside County | 92583 | |
| San Joaquin | 1 | Fresno County | 93660 | |
| San Joaquin Bridge | 1 | San Joaquin County | 95330 | |
| San Joaquin Hills | 1 | Orange County | ||
| San Joaquin River Club | 1 | San Joaquin County | ||
| San Jose | 1 | Santa Clara County | 95101 | 92 |
| San Jose Municipal Airport | 1 | Santa Clara County | 95110 | |
| San Juan Bautista | 1 | San Benito County | 95045 | |
| San Juan Capistrano | 1 | Orange County | 92675 | 93 |
| San Juan Hot Springs | 1 | Orange County | ||
| San Juan Plaza | 1 | Orange County | 92675 | |
| Sankey | 1 | Sutter County | ||
| San Lawrence Terrace | 1 | San Luis Obispo County | 93451 | |
| San Leandro | 1 | Alameda County | 94577 | 79 |
| San Lorenzo | 1 | Alameda County | 94580 | |
| San Lorenzo Park | 1 | Santa Cruz County | 95006 | |
| San Lucas | 1 | Monterey County | 93954 | |
| San Luis Obispo | 1 | San Luis Obispo County | 93401 | |
| San Luis Obispo County Airport | 1 | San Luis Obispo County | ||
| San Luis Rey | 1 | San Diego County | 92068 | |
| San Luis Rey Downs | 1 | San Diego County | 92068 | |
| San Luis Rey Heights | 1 | San Diego County | ||
| San Manuel Indian Reservation | 1 | San Bernardino County | 92346 | |
| San Marcos | 1 | San Diego County | 92069 | |
| San Marin | 1 | Marin County | 94945 | |
| San Marino | 1 | Los Angeles County | 91108 | |
| San Martin | 1 | Santa Clara County | 95046 | |
| San Mateo | 1 | San Mateo County | 94401 | 99 |
| San Mateo Park | 1 | San Mateo County | ||
| San Miguel | 1 | San Luis Obispo County | 93451 | |
| San Onofre | 1 | San Diego County | 92672 | |
| San Pablo | 1 | Contra Costa County | 94806 | |
| San Pasqual | 1 | San Diego County | 92025 | |
| San Pasqual Indian Reservation | 1 | San Diego County | 92082 | |
| San Pedro | 1 | Los Angeles County | 90731 | 34 |
| San Pedro Hill | 1 | Los Angeles County | ||
| San Pedro Hills Air Force Station | 1 | Los Angeles County | 90274 | |
| San Pedro Naval Fuel Depot | 1 | Los Angeles County | 90731 | |
| San Quentin | 1 | Marin County | 94964 | |
| San Quentin State Prison | 1 | Marin County | ||
| San Rafael | 1 | Marin County | 94903 | 15 |
| San Ramon | 1 | Contra Costa County | 94583 | |
| San Ramon Village | 1 | Alameda County | ||
| San Roque | 1 | Santa Barbara County | 93105 | |
| Sans Crainte | 1 | Contra Costa County | 94596 | |
| Sansevaine | 1 | San Bernardino County | ||
| San Simeon | 1 | San Luis Obispo County | 93452 | |
| Santa Ana | 1 | Orange County | 92701 | 99 |
| Santa Ana Gardens | 1 | Orange County | ||
| Santa Ana Heights | 1 | Orange County | 92707 | |
| Santa Anita | 1 | Los Angeles County | 91006 | |
| Santa Barbara | 1 | Santa Barbara County | 93101 | 90 |
| Santa Barbara Municipal Airport | 1 | Santa Barbara County | 93117 | |
| Santa Catalina Island | 1 | Los Angeles County | ||
| Santa Clara | 1 | Santa Clara County | 95050 | 56 |
| Santa Clarita | 1 | Los Angeles County | 91382 | |
| Santa Cruz | 1 | Santa Cruz County | 95060 | 67 |
| Santa Cruz Gardens | 1 | Santa Cruz County | 95062 | |
| Santa Fe Springs | 1 | Los Angeles County | 90670 | |
| Santa Margarita | 1 | San Luis Obispo County | 93453 | |
| Santa Maria | 1 | Santa Barbara County | 93454 | 57 |
| Santa Maria Public Airport | 1 | Santa Barbara County | ||
| Santa Maria South | 1 | Santa Barbara County | 93455 | |
| Santa Monica | 1 | Los Angeles County | 90400 | 99 |
| Santa Monica Canyon | 1 | Los Angeles County | 90406 | |
| Santa Monica Mountains National Recreation Area | 2 | Los Angeles County | 91364 | |
| Santa Monica Mountains National Recreation Area | 2 | Ventura County | 91364 | |
| Santa Nella | 1 | Merced County | 95322 | |
| Santa Nella Village | 1 | Merced County | ||
| Santa Paula | 1 | Ventura County | 93060 | |
| Santa Rita | 1 | Monterey County | 93901 | |
| Santa Rita | 1 | Santa Barbara County | 93436 | |
| Santa Rita Park | 1 | Merced County | 93661 | |
| Santa Rosa | 1 | Sonoma County | 95401 | 09 |
| Santa Rosa Indian Reservation | 1 | Riverside County | 92263 | |
| Santa Rosa Rancheria | 1 | Kings County | 93245 | |
| Santa Susana | 1 | Ventura County | 93063 | |
| Santa Susana Knolls | 1 | Ventura County | ||
| Santa Venetia | 1 | Marin County | 94903 | |
| Santa Western | 1 | Los Angeles County | 90072 | |
| Santa Ynez | 1 | Santa Barbara County | 93460 | |
| Santa Ynez Indian Reservation | 1 | Santa Barbara County | 93460 | |
| Santa Ysabel | 1 | San Diego County | 92070 | |
| Santa Ysabel Indian Reservation | 1 | San Diego County | 92263 | |
| Santee | 1 | San Diego County | 92071 | |
| San Tomas | 1 | Santa Clara County | ||
| San Ysidro | 1 | San Diego County | 92073 | |
| Saranap | 1 | Contra Costa County | 94596 | |
| Saratoga | 1 | Santa Clara County | 95070 | |
| Saratoga Hills | 1 | Los Angeles County | 91311 | |
| Saratoga Springs | 1 | Lake County | ||
| Sargent | 1 | Santa Clara County | ||
| Sather Gate | 1 | Alameda County | 94704 | |
| Saticoy | 1 | Ventura County | 93004 | |
| Sattley | 1 | Sierra County | 96124 | |
| Saugus | 1 | Los Angeles County | 91350 | |
| Saugus-Bouquet Canyon | 1 | Los Angeles County | ||
| Sausalito | 1 | Marin County | 94965 | |
| Saviers | 1 | Ventura County | 93033 | |
| Savoy | 1 | Los Angeles County | 91722 | |
| Sawmill Flat | 1 | Fresno County | ||
| Sawyers Bar, California | 1 | Siskiyou County | 96027 | |
| Saxon | 1 | Yolo County | ||
| Scales | 1 | Sierra County | ||
| Scarface | 1 | Modoc County | ||
| Scenic Brook Estates | 1 | Tuolumne County | 95370 | |
| Scenic Center | 1 | Stanislaus County | 95350 | |
| Scheelite | 1 | Inyo County | 93514 | |
| Scheideck | 1 | Ventura County | 93252 | |
| Schellville | 1 | Sonoma County | 95476 | |
| Schilling | 1 | Fresno County | ||
| Sciots Camp | 1 | El Dorado County | ||
| Scotia | 1 | Humboldt County | 95565 | |
| Scotland | 1 | San Bernardino County | 92335 | |
| Scott | 1 | Los Angeles County | ||
| Scott Bar | 1 | Siskiyou County | 96085 | |
| Scotts | 1 | Lassen County | ||
| Scotts Valley | 1 | Santa Cruz County | 95066 | |
| Scottsville | 1 | Amador County | ||
| Scranton | 1 | Inyo County | ||
| Seabright | 1 | Santa Cruz County | ||
| Seacliff | 1 | Santa Cruz County | 95003 | |
| Sea Cliff | 1 | Ventura County | ||
| Seahaven | 1 | Marin County | 94937 | |
| Seal Beach | 1 | Orange County | 90740 | |
| Seal Beach Naval Weapons Station | 1 | Orange County | 90740 | |
| Seal Cove | 1 | San Mateo County | ||
| Sea Ranch | 1 | Sonoma County | ||
| Searles | 1 | Kern County | ||
| Searles Valley | 1 | San Bernardino County | 93562 | |
| Sears Point | 1 | Sonoma County | ||
| Seaside | 1 | Monterey County | 93955 | |
| Sebastiani | 1 | Sonoma County | 95476 | |
| Sebastopol | 1 | Nevada County | ||
| Sebastopol | 1 | Sonoma County | 95472 | |
| Second Garrotte | 1 | Tuolumne County | ||
| Secret Town | 1 | Placer County | ||
| Sedco Hills | 1 | Riverside County | 92330 | |
| Seeley | 1 | Imperial County | 92273 | |
| Seguro | 1 | Kern County | ||
| Seiad Valley | 1 | Siskiyou County | 96086 | |
| Seigler Springs | 1 | Lake County | 95461 | |
| Selby | 1 | Contra Costa County | ||
| Selma | 1 | Fresno County | 93662 | |
| Seminole Hot Springs | 1 | Los Angeles County | ||
| Semitropic | 1 | Kern County | ||
| Seneca | 1 | Plumas County | 95923 | |
| Sentous | 1 | Los Angeles County | ||
| Sepulveda | 1 | Los Angeles County | 91343 | |
| Sequoia | 1 | Tulare County | ||
| Sequoia Crest | 1 | Tulare County | 93265 | |
| Sequoia National Park | 1 | Tulare County | 93262 | |
| Serena | 1 | Santa Barbara County | ||
| Serena Park | 1 | Santa Barbara County | 93013 | |
| Serra Mesa | 1 | San Diego County | 92123 | |
| Serramonte | 1 | San Mateo County | 94015 | |
| Serrano | 1 | San Luis Obispo County | ||
| Sespe | 1 | Ventura County | 93015 | |
| Sespe Village | 1 | Ventura County | ||
| Seven Oaks | 1 | San Bernardino County | 92305 | |
| Seven Pines | 1 | Inyo County | ||
| Seven Trees | 1 | Santa Clara County | ||
| Seville | 1 | Tulare County | 93291 | |
| Shackelford | 1 | Stanislaus County | ||
| Shadow Hills | 1 | Los Angeles County | 91352 | |
| Shady Dell | 1 | San Diego County | ||
| Shady Glen | 1 | Placer County | 95713 | |
| Shafter | 1 | Kern County | 93263 | |
| Shafter | 1 | Marin County | ||
| Shake City | 1 | Mendocino County | ||
| Shandon | 1 | San Luis Obispo County | 93461 | |
| Sharon | 1 | Madera County | 93610 | |
| Sharon Heights | 1 | San Mateo County | ||
| Sharon Valley | 1 | Yuba County | ||
| Sharpe Army Depot | 1 | San Joaquin County | 95331 | |
| Sharp Park | 1 | San Mateo County | 94044 | |
| Sharps Lane | 1 | San Joaquin County | ||
| Shasta | 1 | Shasta County | 96087 | |
| Shasta Lake | 1 | Shasta County | 96019 | |
| Shasta Retreat | 1 | Siskiyou County | 96025 | |
| Shasta Springs | 1 | Siskiyou County | ||
| Shaver Lake | 1 | Fresno County | 93664 | |
| Shaver Lake Heights | 1 | Fresno County | 93664 | |
| Shaver Lake Point | 1 | Fresno County | 93664 | |
| Shaws Flat | 1 | Tuolumne County | 95370 | |
| Sheepranch | 1 | Calaveras County | 95250 | |
| Sheep Ranch Rancheria | 1 | Calaveras County | 95250 | |
| Sheepshead | 1 | Lassen County | ||
| Sheldon | 1 | Sacramento County | 95624 | |
| Shell | 1 | Kings County | ||
| Shell Beach | 1 | San Luis Obispo County | 93449 | |
| Shell Point | 1 | Contra Costa County | ||
| Shelter Cove | 1 | Humboldt County | 95489 | |
| Shelter Cove | 1 | San Mateo County | 94044 | |
| Sheppard | 1 | Amador County | ||
| Sheridan | 1 | Placer County | 95681 | |
| Sheridan | 1 | Sonoma County | 95486 | |
| Sherman Acres | 1 | Calaveras County | ||
| Sherman Island | 1 | Sacramento County | 94571 | |
| Sherman Oaks | 1 | Los Angeles County | 91403 | |
| Sherman Village | 1 | Los Angeles County | 91607 | |
| Sherwin Plaza | 1 | Mono County | 93546 | |
| Sherwood | 1 | Monterey County | 93906 | |
| Sherwood Forest | 1 | Contra Costa County | 94803 | |
| Sherwood Valley Rancheria | 1 | Mendocino County | 95437 | |
| Shilling | 1 | Fresno County | ||
| Shiloh | 1 | Sonoma County | ||
| Shingle Springs | 1 | El Dorado County | 95682 | |
| Shingle Springs Rancheria | 1 | El Dorado County | 95682 | |
| Shingletown | 1 | Shasta County | 96088 | |
| Shinn | 1 | Alameda County | ||
| Shippee | 1 | Butte County | ||
| Shipyard Acres | 1 | Napa County | ||
| Shirley | 1 | Kings County | ||
| Shirley | 1 | Orange County | 90630 | |
| Shirley Meadows | 1 | Kern County | ||
| Shively | 1 | Humboldt County | 95565 | |
| Shops | 1 | San Joaquin County | ||
| Shore Acres | 1 | Contra Costa County | 94565 | |
| Short Acres | 1 | Kings County | 93230 | |
| Shoshone | 1 | Inyo County | 92384 | |
| Shrub | 1 | El Dorado County | ||
| Shuman | 1 | Santa Barbara County | ||
| Shumway | 1 | Lassen County | ||
| Siberia | 1 | San Bernardino County | ||
| Sicard Flat | 1 | Yuba County | ||
| Sierra | 1 | Fresno County | 93703 | |
| Sierra | 1 | Plumas County | ||
| Sierra Army Depot | 1 | Lassen County | 96113 | |
| Sierra City | 1 | Sierra County | 96125 | |
| Sierra Conservation Center | 1 | Tuolumne County | 95327 | |
| Sierra Glen | 1 | Tulare County | ||
| Sierra Heights | 1 | Tulare County | ||
| Sierra Madre | 1 | Los Angeles County | 91024 | |
| Sierra Point | 1 | San Mateo County | ||
| Sierra Sky Park | 1 | Fresno County | ||
| Sierra Village No.1 | 1 | Tuolumne County | 95346 | |
| Sierraville | 1 | Sierra County | 96126 | |
| Sierra Vista | 1 | Merced County | ||
| Sierra Vista | 1 | Los Angeles County | ||
| Signal Butte | 1 | Siskiyou County | ||
| Signal Hill | 1 | Los Angeles County | 90806 | |
| Silt | 1 | Kern County | ||
| Silver Acres | 1 | Orange County | ||
| Silverado | 1 | Orange County | 92676 | |
| Silverado Canyon | 1 | Orange County | ||
| Silver City | 1 | Tulare County | 93271 | |
| Silver Fork | 1 | El Dorado County | 95720 | |
| Silver Lake | 1 | Amador County | 95666 | |
| Silver Strand | 1 | Ventura County | 93035 | |
| Silverthorn | 1 | Shasta County | ||
| Simi | 1 | Sonoma County | 93062 | |
| Simi | 1 | Ventura County | 93062 | |
| Simi Valley | 1 | Ventura County | 93062 | 65 |
| Simmler | 1 | San Luis Obispo County | 93453 | |
| Simms | 1 | Marin County | 94901 | |
| Simms | 1 | San Joaquin County | 95366 | |
| Sims | 1 | Shasta County | ||
| Singing Springs | 1 | Los Angeles County | 93550 | |
| Sisquoc | 1 | Santa Barbara County | 93454 | |
| Sites | 1 | Colusa County | 95979 | |
| Skaggs Island | 1 | Sonoma County | 95476 | |
| Skaggs Island Naval Security Group Activity | 1 | Sonoma County | 95476 | |
| Skidoo | 1 | Inyo County | ||
| Skinners | 1 | El Dorado County | ||
| Skyforest | 1 | San Bernardino County | 92385 | |
| Skyhigh | 1 | Calaveras County | ||
| Skyland | 1 | San Bernardino County | ||
| Sky Londa | 1 | San Mateo County | 94062 | |
| Skytop | 1 | San Bernardino County | ||
| Sky Valley | 1 | Riverside County | 92240 | |
| Slagger | 1 | Siskiyou County | ||
| Slater | 1 | Kern County | ||
| Sleepy Hollow | 1 | Marin County | 94960 | |
| Sleepy Hollow | 1 | San Bernardino County | 91710 | |
| Sleepy Valley | 1 | Los Angeles County | 91350 | |
| Slide Inn | 1 | Tuolumne County | ||
| Sloat | 1 | Plumas County | 96127 | |
| Sloughhouse | 1 | Sacramento County | 95683 | |
| Small | 1 | Siskiyou County | ||
| Smartville | 1 | Yuba County | 95977 | |
| Smeltzer | 1 | Orange County | ||
| Smiley Heights | 1 | San Bernardino County | 92373 | |
| Smiley Park | 1 | San Bernardino County | 92382 | |
| Smith Corner | 1 | Kern County | ||
| Smithflat | 1 | El Dorado County | 95667 | |
| Smith Flat | 1 | El Dorado County | ||
| Smith Mill | 1 | Tulare County | ||
| Smith River | 1 | Del Norte County | 95567 | |
| Smith River Rancheria | 1 | Del Norte County | ||
| Smoke Tree | 1 | Riverside County | 92262 | |
| Snelling | 1 | Merced County | 95369 | |
| Snoboy | 1 | Alameda County | ||
| Snow Bend | 1 | Fresno County | ||
| Snow Creek | 1 | Riverside County | 92282 | |
| Snowden | 1 | Siskiyou County | ||
| Snowdon | 1 | Siskiyou County | ||
| Snowline Camp | 1 | El Dorado County | 95709 | |
| Soapweed | 1 | El Dorado County | ||
| Soboba Hot Springs | 1 | Riverside County | 92583 | |
| Soboba Indian Reservation | 1 | Riverside County | 92383 | |
| Sobrante | 1 | Contra Costa County | ||
| Soda Bay | 1 | Lake County | 95451 | |
| Soda Springs | 1 | Mendocino County | ||
| Soda Springs | 1 | Nevada County | 95728 | |
| Soda Springs | 1 | Tulare County | ||
| Solana Beach | 1 | San Diego County | 92075 | |
| Solano Canyon | 1 | Los Angeles County | ||
| Soledad | 1 | Monterey County | 93960 | |
| Solemint | 1 | Los Angeles County | 91350 | |
| Solromar | 1 | Ventura County | 90265 | |
| Solvang | 1 | Santa Barbara County | 93463 | |
| Solyo | 1 | Stanislaus County | ||
| Somerset | 1 | El Dorado County | 95684 | |
| Somerset | 1 | Siskiyou County | ||
| Somersville | 1 | Contra Costa County | ||
| Somes Bar | 1 | Siskiyou County | 95568 | |
| Somis | 1 | Ventura County | 93066 | |
| Sonoma | 1 | Sonoma County | 95476 | |
| Sonoma Vista | 1 | Sonoma County | 95476 | |
| Sonora | 1 | Tuolumne County | 95370 | |
| Sonora Junction | 1 | Mono County | ||
| Soquel | 1 | Santa Cruz County | 95073 | |
| Sorensen | 1 | Alameda County | ||
| Sorensens | 1 | Alpine County | 96120 | |
| Sorrento | 1 | San Diego County | ||
| Sorroca | 1 | Yolo County | ||
| Soto | 1 | Los Angeles County | 90255 | |
| Soulsbyville | 1 | Tuolumne County | 95372 | |
| South Alhambra | 1 | Los Angeles County | 91803 | |
| South Anaheim | 1 | Orange County | ||
| South Bay | 1 | Humboldt County | ||
| South Belridge | 1 | Kern County | 93251 | |
| South Berkeley | 1 | Alameda County | 94703 | |
| South Brighton | 1 | Sacramento County | ||
| South Corona | 1 | Riverside County | 91720 | |
| South Coyote | 1 | Santa Clara County | 95132 | |
| South Dos Palos | 1 | Merced County | 93665 | |
| South Downey | 1 | Los Angeles County | 90242 | |
| Southeastern | 1 | San Diego County | 92113 | |
| South El Monte | 1 | Los Angeles County | 91733 | |
| South Fontana | 1 | San Bernardino County | 92335 | |
| South Fork | 1 | Humboldt County | 95569 | |
| South Fork | 1 | Madera County | 93643 | |
| South Fork | 1 | Mendocino County | ||
| South Gardena | 1 | Los Angeles County | 90247 | |
| South Gate | 1 | Los Angeles County | 90280 | |
| South Laguna | 1 | Orange County | 92677 | |
| South Lake | 1 | Kern County | ||
| South Lake | 1 | Tulare County | ||
| South Lake Tahoe | 1 | El Dorado County | 96150 | |
| South Leggett | 1 | Mendocino County | ||
| South Los Angeles | 1 | Los Angeles County | ||
| South Main | 1 | Orange County | 92707 | |
| South Modesto | 1 | Stanislaus County | 95350 | |
| South Oceanside | 1 | San Diego County | ||
| South Oroville | 1 | Butte County | 95965 | |
| South Park | 1 | Los Angeles County | ||
| South Park | 1 | San Diego County | ||
| South Park | 1 | Sonoma County | 95404 | |
| South Pasadena | 1 | Los Angeles County | 91030 | |
| Southport | 1 | Yolo County | 95691 | |
| South Sacramento | 1 | Sacramento County | ||
| South San Diego | 1 | San Diego County | ||
| South San Francisco | 1 | San Mateo County | 94080 | |
| South San Gabriel | 1 | Los Angeles County | 91770 | |
| South San Jose Hills | 1 | Los Angeles County | 91744 | |
| South San Leandro | 1 | Alameda County | 94578 | |
| South Santa Ana | 1 | Orange County | ||
| South Santa Rosa | 1 | Sonoma County | ||
| South Shafter | 1 | Kern County | 93263 | |
| South Shores | 1 | Los Angeles County | ||
| South Taft | 1 | Kern County | 93268 | |
| South Trona | 1 | San Bernardino County | ||
| South Turlock | 1 | Stanislaus County | 95380 | |
| South Vista | 1 | San Diego County | 92083 | |
| South Wawona | 1 | Mariposa County | ||
| Southwest Village | 1 | Los Angeles County | ||
| South Whittier | 1 | Los Angeles County | 90605 | |
| South Whittier Heights | 1 | Los Angeles County | 90605 | |
| Southwood | 1 | San Mateo County | ||
| South Woodbridge | 1 | San Joaquin County | ||
| South Yuba | 1 | Yuba County | ||
| South Yuba City | 1 | Sutter County | ||
| Spadra | 1 | Los Angeles County | ||
| Spalding Tract | 1 | Lassen County | 96130 | |
| Spangler | 1 | San Bernardino County | ||
| Spanish Creek | 1 | Plumas County | 95971 | |
| Spanish Flat | 1 | Napa County | 94558 | |
| Spanish Ranch | 1 | Plumas County | 95956 | |
| Sparkle | 1 | Contra Costa County | ||
| Spaulding Tract | 1 | Lassen County | 96130 | |
| Spear Creek Summer Home Tract | 1 | Tulare County | ||
| Speedway | 1 | Butte County | ||
| Spellacy | 1 | Kern County | ||
| Spence | 1 | Monterey County | ||
| Sperry | 1 | San Bernardino County | ||
| Spicer City | 1 | Kern County | 93206 | |
| Spoonbill | 1 | Solano County | ||
| Spreckels | 1 | Monterey County | 93962 | |
| Spreckels Junction | 1 | Monterey County | 93901 | |
| Springdale | 1 | Los Angeles County | ||
| Springfield | 1 | Tuolumne County | ||
| Springtown | 1 | Monterey County | ||
| Spring Gap | 1 | Tuolumne County | ||
| Spring Garden | 1 | Plumas County | 95971 | |
| Spring Hill | 1 | Nevada County | 95945 | |
| Springstowne | 1 | Solano County | 94591 | |
| Spring Valley | 1 | El Dorado County | ||
| Spring Valley | 1 | San Diego County | 91976 | 79 |
| Spring Valley Lake | 1 | San Bernardino County | 92392 | |
| Springville | 1 | Tulare County | 93265 | |
| Springville | 1 | Ventura County | 93010 | |
| Spruce Point | 1 | Humboldt County | 95501 | |
| Spurgeon | 1 | Orange County | 92701 | |
| Spyrock | 1 | Mendocino County | ||
| Squab | 1 | Napa County | ||
| Squabbletown | 1 | Tuolumne County | ||
| Squaw Hill | 1 | Tehama County | ||
| Squaw Valley | 1 | Fresno County | 93675 | |
| Squaw Valley | 1 | Placer County | ||
| Squirrel Mountain Valley | 1 | Kern County | ||
| Squirrel Valley | 1 | Kern County | 93240 | |
| Stacy | 1 | Lassen County | ||
| Stafford | 1 | Humboldt County | 95565 | |
| Staley | 1 | Modoc County | ||
| Stallion Springs | 1 | Kern County | 93561 | |
| Standard | 1 | Tuolumne County | 95373 | |
| Standish | 1 | Lassen County | 96128 | |
| Stanfield Hill | 1 | Yuba County | ||
| Stanford | 1 | Santa Clara County | 94305 | |
| Stanford University | 1 | Santa Clara County | ||
| Stanislaus | 1 | Tuolumne County | ||
| Stanislaus Pit | 1 | Stanislaus County | ||
| Stanley | 1 | Napa County | ||
| Stanton | 1 | Orange County | 90680 | |
| Starlight Hills | 1 | Los Angeles County | 91501 | |
| State Capitol | 1 | Sacramento County | 95814 | |
| Stateline | 1 | El Dorado County | 96157 | |
| State Street | 1 | Los Angeles County | 90255 | |
| Stauffer | 1 | San Mateo County | ||
| Stedman | 1 | San Bernardino County | ||
| Steele Park | 1 | Napa County | 94558 | |
| Steelhead | 1 | Humboldt County | ||
| Steelhead | 1 | Siskiyou County | ||
| Stege | 1 | Contra Costa County | ||
| Stegeman | 1 | Colusa County | ||
| Steinbeck | 1 | Monterey County | 93901 | |
| Stent | 1 | Tuolumne County | ||
| Stephens | 1 | Los Angeles County | 90670 | |
| Sterling Park | 1 | San Mateo County | 94014 | |
| Stevens | 1 | Kern County | ||
| Stevenson Ranch | 1 | Los Angeles County | 91381 | |
| Stevinson | 1 | Merced County | 95374 | |
| Stewarts Point | 1 | Sonoma County | 95480 | |
| Stewarts Point Rancheria | 1 | Sonoma County | 95480 | |
| Stewartville | 1 | Contra Costa County | ||
| Stine | 1 | Kern County | 93309 | |
| Stinson Beach | 1 | Marin County | 94970 | |
| Stirling City | 1 | Butte County | 95978 | |
| Stirling Junction | 1 | Butte County | ||
| Stockdale | 1 | Kern County | 93309 | |
| Stockton | 1 | San Joaquin County | 95201 | 12 |
| Stockton Metropolitan Airport | 1 | San Joaquin County | 95206 | |
| Stockton Naval Communications Station | 1 | San Joaquin County | 95203 | |
| Stock Yards | 1 | Alameda County | ||
| Stoil | 1 | Tulare County | ||
| Stomar | 1 | Stanislaus County | ||
| Stone | 1 | Humboldt County | ||
| Stonegate | 1 | San Mateo County | 94025 | |
| Stonehurst | 1 | Los Angeles County | ||
| Stone Lagoon | 1 | Humboldt County | 95570 | |
| Stoneman | 1 | Los Angeles County | ||
| Stonestown | 1 | San Francisco County | 94132 | |
| Stonyford | 1 | Colusa County | 95979 | |
| Stony Point | 1 | Sonoma County | ||
| Storey | 1 | Madera County | ||
| Storrie | 1 | Plumas County | 95980 | |
| Stout | 1 | Tulare County | ||
| Stove Pipe Wells | 1 | Inyo County | 92328 | |
| Stowell | 1 | Santa Barbara County | ||
| Strader | 1 | Kern County | ||
| Strand | 1 | Kern County | ||
| Stratford | 1 | Kings County | 93266 | |
| Strathearn | 1 | Ventura County | ||
| Strathmore | 1 | Tulare County | 93267 | |
| Strathmore Junction | 1 | Tulare County | ||
| Strawberry | 1 | El Dorado County | 95720 | |
| Strawberry | 1 | Marin County | ||
| Strawberry | 1 | Tuolumne County | 95375 | |
| Strawberry Manor | 1 | Marin County | 94941 | |
| Strawberry Point | 1 | Marin County | 94941 | |
| Strawberry Valley | 1 | Yuba County | 95981 | |
| Stronghold | 1 | Modoc County | ||
| Stuart | 1 | San Diego County | 92055 | |
| Stubbs | 1 | Lake County | ||
| Studebaker | 1 | Los Angeles County | 90650 | |
| Studio City | 1 | Los Angeles County | 91604 | |
| Styx | 1 | Riverside County | ||
| Subaco | 1 | Sutter County | ||
| Subeet | 1 | Solano County | ||
| Success | 1 | Tulare County | 93257 | |
| Sucker Flat | 1 | Yuba County | ||
| Sucro | 1 | Solano County | ||
| Sudden | 1 | Santa Barbara County | ||
| Suey | 1 | Santa Barbara County | ||
| Sugarfield | 1 | Yolo County | ||
| Sugarloaf | 1 | San Bernardino County | 92386 | |
| Sugarloaf | 1 | Shasta County | 96051 | |
| Sugarload Mountain Park | 1 | Tulare County | 93260 | |
| Sugar Pine | 1 | Madera County | 93644 | |
| Sugarpine | 1 | Tuolumne County | 95346 | |
| Suisun City | 1 | Solano County | 94585 | |
| Suisun-Fairfield | 1 | Solano County | ||
| Sullivan | 1 | Sutter County | ||
| Sulphur Bank Rancheria | 1 | Lake County | 95423 | |
| Sulphur Springs | 1 | Los Angeles County | ||
| Sulphur Springs | 1 | Ventura County | 93060 | |
| Sultana | 1 | Tulare County | 93666 | |
| Summer Home | 1 | San Joaquin County | 95336 | |
| Summerhome | 1 | Sonoma County | ||
| Summerhome Park | 1 | Sonoma County | 95436 | |
| Summerland | 1 | Santa Barbara County | 93067 | |
| Summertown | 1 | Shasta County | ||
| Summerville | 1 | Siskiyou County | ||
| Summit | 1 | Kern County | ||
| Summit | 1 | Mendocino County | ||
| Summit | 1 | Placer County | ||
| Summit | 1 | San Bernardino County | 92392 | |
| Summit City | 1 | Nevada County | ||
| Summit City | 1 | Shasta County | 96089 | |
| Summit Inn | 1 | Mariposa County | 95338 | |
| Summit Switch | 1 | Kern County | ||
| Sun City | 1 | Riverside County | 92586 | |
| Suncrest | 1 | San Diego County | ||
| Sunfair | 1 | San Bernardino County | 92252 | |
| Sunfair Heights | 1 | San Bernardino County | ||
| Sun Garden Village | 1 | Orange County | ||
| Sunkist | 1 | Orange County | 92806 | |
| Sunland | 1 | Los Angeles County | 91040 | |
| Sunland | 1 | Tulare County | 93257 | |
| Sun-Maid | 1 | Fresno County | ||
| Sunny Brae | 1 | Humboldt County | 95521 | |
| Sunnybrook | 1 | Amador County | 95640 | |
| Sunny Hills | 1 | Orange County | 92635 | |
| Sunnymead | 1 | Riverside County | 92388 | |
| Sunnyside | 1 | Fresno County | 93702 | |
| Sunnyside | 1 | Placer County | ||
| Sunnyside | 1 | San Diego County | 92002 | |
| Sunnyside | 1 | Tehama County | ||
| Sunnyside-Tahoe City | 1 | Placer County | ||
| Sunnyslope | 1 | Butte County | ||
| Sunnyslope | 1 | Riverside County | 92509 | |
| Sunnyvale | 1 | Santa Clara County | 94086 | 91 |
| Sunnyvale Air Force Station | 1 | Santa Clara County | 94088 | |
| Sunny Vista | 1 | San Diego County | 92010 | |
| Sunol | 1 | Alameda County | 94586 | |
| Sunol-Midtown | 1 | Santa Clara County | ||
| Sunrise | 1 | Los Angeles County | ||
| Sunrise Oasis | 1 | Riverside County | 92263 | |
| Sunrise Vista | 1 | Lake County | ||
| Sunset | 1 | Humboldt County | 95521 | |
| Sunset | 1 | San Francisco County | 94122 | |
| Sunset | 1 | Sutter County | ||
| Sunset Beach | 1 | Orange County | 90742 | |
| Sunset Beach | 1 | Santa Cruz County | 95076 | |
| Sunset City | 1 | Placer County | ||
| Sunset Cliffs | 1 | San Diego County | ||
| Sunset District | 1 | San Francisco County | ||
| Sunset Hills | 1 | Los Angeles County | 91748 | |
| Sunset Terrace | 1 | San Luis Obispo County | 93401 | |
| Sunset Tract | 1 | Ventura County | 93022 | |
| Sunset View | 1 | Nevada County | 95945 | |
| Sunset-Whitney Ranch | 1 | Placer County | 95677 | |
| Sunshine Camp | 1 | Tuolumne County | ||
| Sunshine Homes | 1 | Los Angeles County | 91350 | |
| Sunshine Summit | 1 | San Diego County | ||
| Sunsweet | 1 | San Bernardino County | ||
| Sun Valley | 1 | Los Angeles County | 91352 | |
| Sun Village | 1 | Los Angeles County | 93543 | |
| Surf | 1 | Santa Barbara County | 93436 | |
| Surfside | 1 | Orange County | 90743 | |
| Surprise | 1 | Modoc County | ||
| Surprise Station | 1 | Modoc County | ||
| Susana Knolls | 1 | Ventura County | 93063 | |
| Susanville | 1 | Lassen County | 96130 | |
| Susanville Indian Reservation | 1 | Lassen County | 96130 | |
| Suscol | 1 | Napa County | ||
| Sutter | 1 | Sutter County | 95982 | |
| Sutter Creek | 1 | Amador County | 95685 | |
| Sutter Hill | 1 | Amador County | 95685 | |
| Sutter Island | 1 | Sacramento County | 95615 | |
| Sutter Street | 1 | San Francisco County | 94104 | |
| Suval | 1 | Solano County | ||
| Sveadal | 1 | Santa Clara County | ||
| Swall | 1 | Tulare County | ||
| Swansea | 1 | Inyo County | 93545 | |
| Swanston | 1 | Sacramento County | ||
| Swanton | 1 | Santa Cruz County | 95017 | |
| Sweetbriar | 1 | Shasta County | 96017 | |
| Sweetland | 1 | Nevada County | 95960 | |
| Swingle | 1 | Yolo County | ||
| Swobe | 1 | Siskiyou County | ||
| Sycamore | 1 | Colusa County | 95957 | |
| Sycamore | 1 | Contra Costa County | 94526 | |
| Sycamore Flat | 1 | Monterey County | ||
| Sycamore Springs | 1 | San Luis Obispo County | ||
| Sycuan Indian Reservation | 1 | San Diego County | 92020 | |
| Sykes | 1 | Inyo County | ||
| Sylmar | 1 | Los Angeles County | 91342 | |
| Sylvan Lodge | 1 | Tuolumne County | ||
| Sylvia Park | 1 | Los Angeles County | 90290 |