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The Communities of California (CA)

Select by first two letters of name

UB	UC	UE	UK	UL	UN
UP	UR	US	UT	UV

Notes about this Index:

#	Indicates a community that is historic and no longer exists. While a few buildings, houses or some ruins might still exists, most historic communities are gone with no trace.
?	Indicates what we call an Orphan. An Orphan is the situation where we have a name with very little information or we're uncertain whether the name is a community, a post office or might be railroad related such as a siding or station.
+	While a post office name generally indicates the community in which it is located, other PO names don't. In this case, we have a PO name but not the community in which its located.

Ubakhea [Mendocino Co]Xh

Ubehebe [Inyo Co]Xh

Uchiyingich [Tulare Co]Xh

Ueland Place [Trinity Co]X

Ukiah [Mendocino Co]X
Other names:
Ukiah City

Ukiah City
See: Ukiah

Ukiah Rancheria [Mendocino Co]X

Ulatis Park [Solano Co]X

Ulistac [Santa Clara Co]X

Ulmar [Alameda Co]X

Ultra [Tulare Co]X

Uncle Sam [Lake Co]Xo

Underwood Park [Mendocino Co]X

Undine [San Joaquin Co]Xo

Union [Merced Co]Xo

Union [Napa Co]X

Union [San Luis Obispo Co]X

Union City [Alameda Co]X
Other names:
Decoto

Union Hill [Nevada Co]X

Union Hill [Sierra Co]X

Union House [Sacramento Co]Xo

Union Landing [Mendocino Co]X

Union Mills [Nevada Co]X

Unionville [Sierra Co]Xh

Universal City [Los Angeles Co]X

University [Los Angeles Co]Xo

University City [San Diego Co]X

University Heights [San Bernardino Co]X

University Heights [San Diego Co]X

University Heights [San Mateo Co]X

University Park [Orange Co]Xo

University Village [Alameda Co]X

University Village [San Bernardino Co]X

Upland [San Bernardino Co]X

Upop [Santa Barbara Co]Xh

Upp [Mendocino Co]X

Upper Crossing [Siskiyou Co]X

Upper Forni [El Dorado Co]X

Upper Jones Tract [San Joaquin Co]X

Upper Lake [Lake Co]X

Upper Lake Rancheria [Lake Co]X

Upper Mattole [Humboldt Co]Xo

Upper Scheelite [Inyo Co]Xo

Upper Soda Springs [Siskiyou Co]Xo

Upper Town [Mono Co]Xh

Upton [Siskiyou Co]X

Uptown [San Bernardino Co]Xo

Urbita Springs [San Bernardino Co]Xo

Urgon [San Joaquin Co]X

Ustoma [Nevada Co]Xh

Usual [Mendocino Co]Xo

Utalliam [Santa Cruz Co]Xh

Uva [Fresno Co]X

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This page was last modified/updated: 17 Apr 2025