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 02745 New Bedford Bristol County 508, 774
MA 02746 New Bedford Bristol County 508, 774
MA 02747 North Dartmouth Bristol County 508, 774
MA 02748 South Dartmouth Bristol County 508, 774
MA 02760 North Attleboro Bristol County 401, 508, 774
MA 02761 North Attleboro Bristol County 508
MA 02762 Plainville Norfolk County 401, 508, 774
MA 02763 Attleboro Falls Bristol County 508, 774
MA 02764 North Dighton Bristol County 508, 774
MA 02766 Norton Bristol County 508, 774
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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.