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

Ohio ZIP Codes

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

State ZIP Code City County Area Codes
OH 43837 Port Washington Tuscarawas County 220, 234, 330, 740
OH 43840 Stone Creek Tuscarawas County 220, 234, 330, 740
OH 43842 Trinway Muskingum County 220, 740
OH 43843 Walhonding Coshocton County 220, 740
OH 43844 Warsaw Coshocton County 220, 740
OH 43845 West Lafayette Coshocton County 220, 740
OH 43901 Adena Jefferson County 220, 740
OH 43902 Alledonia Belmont County 220, 740
OH 43903 Amsterdam Jefferson County 220, 234, 330, 740
OH 43905 Barton Belmont County 220, 740
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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.