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 44028 Columbia Station Lorain County 234, 330, 440
OH 44030 Conneaut Ashtabula County 440, 582, 814
OH 44032 Dorset Ashtabula County 440
OH 44033 East Claridon Geauga County 440
OH 44035 Elyria Lorain County 440
OH 44036 Elyria Lorain County 440
OH 44039 North Ridgeville Lorain County 440
OH 44040 Gates Mills Cuyahoga County 440
OH 44041 Geneva Ashtabula County 440
OH 44044 Grafton Lorain County 234, 330, 440
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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.