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

Massachusetts ZIP Codes

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

State ZIP Code City County Area Codes
MA 02152 Winthrop Suffolk County 339, 617, 781, 857
MA 02153 Medford Middlesex County 617
MA 02155 Medford Middlesex County 339, 617, 781, 857
MA 02156 West Medford Middlesex County 339
MA 02163 Boston Suffolk County 617, 857
MA 02169 Quincy Norfolk County 339, 617, 781, 857
MA 02170 Quincy Norfolk County 617, 857
MA 02171 Quincy Norfolk County 339, 617, 781, 857
MA 02176 Melrose Middlesex County 339, 781
MA 02180 Stoneham Middlesex County 339, 781
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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.