U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
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California ZIP Codes

Complete postal directory, details, and geographic map for the State of California.

State ZIP Code City County Area Codes
CA 92239 Desert Center Riverside County 442, 760
CA 92240 Desert Hot Springs Riverside County 442, 760
CA 92241 Desert Hot Springs Riverside County 442, 760
CA 92242 Earp San Bernardino County 442, 760, 928
CA 92243 El Centro Imperial County 442, 760
CA 92244 El Centro Imperial County 760
CA 92247 La Quinta Riverside County 760
CA 92248 La Quinta Riverside County 760
CA 92249 Heber Imperial County 442, 760
CA 92250 Holtville Imperial County 442, 760
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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.