# List of places in California (I)

This list of current:
* cities
* towns, unincorporated communities
* counties, and other recognized places in the U.S. state of California.
Information on the number and names of counties in which the place lies, and its lower and upper ZIP code bounds, if applicable are also included.
* A
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* Z
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
| Ibis | 1 | San Bernardino County | | |
| Icaria | 1 | Sonoma County | | |
| Iceland | 1 | Nevada County | | |
| Idlewild | 1 | Placer County | | |
| Idlewild | 1 | Tulare County | 93260 | |
| Idria | 1 | San Benito County | 95023 | |
| Idyllwild | 1 | Riverside County | 92549 | |
| Idyllwild-Pine Cove | 1 | Riverside County | 92549 | |
| Idylwood Acres | 1 | Contra Costa County | 94596 | |
| Igerna | 1 | Siskiyou County | | |
| Ignacio | 1 | Marin County | 94947 | |
| Ignacio | 1 | Marin County | 94947 | |
| Igo | 1 | Shasta County | 96047 | |
| Imola | 1 | Napa County | 94558 | |
| Imperial | 1 | Imperial County | 92251 | |
| Imperial Beach | 1 | San Diego County | 91932 | 33 |
| Imperial Crest | 1 | Los Angeles County | 90650 | |
| Inaja-Cosmit Indian Reservation | 1 | San Diego County | 92036 | |
| Inca | 1 | Riverside County | | |
| Incline | 1 | Mariposa County | 95318 | |
| Independence | 1 | Calaveras County | | |
| Independence | 1 | Inyo County | 93526 | |
| Indian Falls | 1 | Plumas County | 95971 | |
| Indian Gulch | 1 | Mariposa County | | |
| Indian Hill | 1 | Amador County | | |
| Indian Hill | 1 | Imperial County | | |
| Indian Mission | 1 | Fresno County | 93602 | |
| Indianola | 1 | Humboldt County | 95524 | |
| Indian Springs | 1 | Los Angeles County | | |
| Indian Springs | 1 | Madera County | | |
| Indian Springs | 1 | Mendocino County | | |
| Indian Springs | 1 | San Diego County | | |
| Indian Village | 1 | Inyo County | | |
| Indian Wells | 1 | Riverside County | 92210 | |
| Indio | 1 | Riverside County | 92201 | 03 |
| Industrial | 1 | Los Angeles County | | |
| Industrial | 1 | Orange County | 92705 | |
| Industry | 1 | Los Angeles County | 91714 | 89 |
| Ingle | 1 | Fresno County | | |
| Inglenook | 1 | Mendocino County | 95437 | |
| Ingleside | 1 | San Francisco County | | |
| Inglewood | 1 | Los Angeles County | 90301 | 12 |
| Ingomar | 1 | Merced County | | |
| Ingot | 1 | Shasta County | 96008 | |
| Inskip | 1 | Butte County | | |
| Interlaken | 1 | Santa Cruz County | | |
| Inverness | 1 | Marin County | 94937 | |
| Inverness Park | 1 | Marin County | 94956 | |
| Inwood | 1 | Shasta County | 96088 | |
| Inyokern | 1 | Kern County | 93527 | |
| Ione | 1 | Amador County | 95640 | |
| Ione Band of Miwok Indians | 1 | Amador County | | |
| Iowa City | 1 | Yuba County | | |
| Iowa Hill | 1 | Placer County | 95713 | |
| Iremel | 1 | Santa Barbara County | | |
| Irmulco | 1 | Mendocino County | | |
| Iron Horse | 1 | Plumas County | | |
| Iron Mountain | 1 | San Bernardino County | 92280 | |
| Iron Mountain | 1 | Shasta County | | |
| Ironsides | 1 | Los Angeles County | | |
| Irrigosa | 1 | Madera County | | |
| Irvine | 1 | Orange County | 92602 | 97 |
| Irvings Crest | 1 | San Diego County | | |
| Irvington | 1 | Alameda County | 94538 | |
| Irvington District | 1 | Alameda County | | |
| Irwin | 1 | Merced County | 95324 | |
| Irwindale | 1 | Los Angeles County | 91706 | |
| Isabella | 1 | Kern County | | |
| Island Mountain | 1 | Trinity County | 95440 | |
| Isla Vista | 1 | Santa Barbara County | 93117 | |
| Isleton | 1 | Sacramento County | 95641 | |
| Ivanhoe | 1 | Tulare County | 93235 | |
| Ivanpah | 1 | San Bernardino County | 92366 | |
| Ivesta | 1 | Fresno County | | |
| Ivory | 1 | Tulare County | | |