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.

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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 73001 Albert Caddo County 405, 572
OK 73002 Alex Grady County 405, 572
OK 73003 Edmond Oklahoma County 405, 572
OK 73004 Amber Grady County 405, 572
OK 73005 Anadarko Caddo County 405, 572, 580
OK 73006 Apache Caddo County 405, 572, 580
OK 73007 Arcadia Oklahoma County 405, 572
OK 73008 Bethany Oklahoma County 405, 572
OK 73009 Binger Caddo County 405, 572
OK 73010 Blanchard McClain County 405, 572
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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.