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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State directory

Oklahoma ZIP Codes

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

State ZIP Code City County Area Codes
OK 74960 Stilwell Adair County 479, 539, 918
OK 74962 Vian Sequoyah County 539, 918
OK 74963 Watson McCurtain County 580, 870
OK 74964 Watts Adair County 479, 539, 918
OK 74965 Westville Adair County 479, 539, 918
OK 74966 Wister Le Flore County 539, 918
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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.