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California (CA) post codes

County

58

Alameda County 69 Alpine County 2 Amador County 13 Butte County 24 Calaveras County 20 City and County of San Francisco County 50 Colusa County 7 Contra Costa County 52 Del Norte County 6 El Dorado County 30 Fresno County 98 Glenn County 7 Humboldt County 38 Imperial County 18 Inyo County 12 Kern County 67 Kings County 9 Lake County 15 Lassen County 15 Los Angeles County 508 Madera County 12 Marin County 41 Mariposa County 8 Mendocino County 28 Merced County 23 Modoc County 10 Mono County 7 Monterey County 35 Napa County 12 Nevada County 16 Orange County 146 Placer County 29 Plumas County 16 Riverside County 99 Sacramento County 132 San Benito County 5 San Bernardino County 116 San Diego County 182 San Joaquin County 44 San Luis Obispo County 35 San Mateo County 38 Santa Barbara County 41 Santa Clara County 109 Santa Cruz County 21 Shasta County 33 Sierra County 7 Siskiyou County 22 Solano County 16 Sonoma County 50 Stanislaus County 28 Sutter County 10 Tehama County 13 Trinity County 12 Tulare County 42 Tuolumne County 15 Ventura County 47 Yolo County 21 Yuba County 12