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

Connecticut ZIP Codes

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

State ZIP Code City County Area Codes
CT 06268 Storrs Mansfield Tolland County 860, 959
CT 06269 Storrs Mansfield Tolland County 860, 959
CT 06277 Thompson Windham County 401, 508, 774, 860, 959
CT 06278 Ashford Windham County 860, 959
CT 06279 Willington Tolland County 860, 959
CT 06280 Windham Windham County 860, 959
CT 06281 Woodstock Windham County 508, 774, 860, 959
CT 06282 Woodstock Valley Windham County 860, 959
CT 06320 New London New London County 860, 959
CT 06330 Baltic New London County 860, 959
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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.