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
All states and U.S. territories
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State directory

Maryland ZIP Codes

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

State ZIP Code City County Area Codes
MD 20750 Oxon Hill Prince George's County 240
MD 20751 Deale Anne Arundel County 410, 443, 667
MD 20752 Suitland Prince George's County 240
MD 20753 District Heights Prince George's County 240
MD 20754 Dunkirk Calvert County 227, 240, 301, 410, 443, 667
MD 20755 Fort George G Meade Anne Arundel County 227, 240, 301, 410, 443, 667
MD 20757 Temple Hills Prince George's County 240
MD 20758 Friendship Anne Arundel County 227, 240, 301, 410, 443, 667
MD 20759 Fulton Howard County 227, 240, 301, 410, 443, 667
MD 20762 Andrews Air Force Base Prince George's County 227, 240, 301
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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.