Name of placeNumber of countiesPrincipal countyLower zip codeUpper zip codeUkiah1Mendocino County95482 Ulmar1Alameda County94550 Ultra1Tulare County Una1Kern County Underwood Park1Mendocino County Union1Napa County Union City1Alameda County94587 Union Hill1Nevada County95945 Union Hill1Sierra County Union Mills1Nevada County Universal City1Los Angeles County91608 University1Orange County92716 University1Santa Barbara County93107 University City1San Diego County92122 University Heights1San Diego County University Heights1San Mateo County94025 University of California-Davis Campus1Yolo County95616 University of California Irvine1Orange County92697 University of California Los Angeles1Los Angeles County90095 University of California Riverside1Riverside County92521 University of California San Diego1San Diego County92093 University of Santa Clara1Santa Clara County95050 University of Southern California1Los Angeles County90089 University Park1Orange County92666 Upland1San Bernardino County9178486Upper Forni1El Dorado County Upper Lake1Lake County95485 Upper Lake Rancheria1Lake County Upper Scheelite1Inyo County93514 Upper Soda Springs1Siskiyou County96025 Upper Town1Mono County Upton1Siskiyou County Uptown1San Bernardino County92405 Urbita Springs1San Bernardino County Urgon1San Joaquin County Uva1Fresno County
References