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 95064 Santa Cruz Santa Cruz County 831
CA 95065 Santa Cruz Santa Cruz County 408, 669, 831
CA 95066 Scotts Valley Santa Cruz County 408, 669, 831
CA 95067 Scotts Valley Santa Cruz County 831
CA 95070 Saratoga Santa Clara County 408, 669, 831
CA 95071 Saratoga Santa Clara County 408
CA 95073 Soquel Santa Cruz County 408, 669, 831
CA 95075 Tres Pinos San Benito County 209, 350, 831
CA 95076 Watsonville Santa Cruz County 408, 669, 831
CA 95077 Watsonville Santa Cruz County 831
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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.