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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.

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Kent County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Kent County.

County State ZIP Code City Area Codes
Kent County DE 19980 Woodside 302
Kent County MD 21610 Betterton 410, 443, 667
Kent County MD 21620 Chestertown 410, 443, 667
Kent County MD 21635 Galena 302, 410, 443, 667
Kent County MD 21645 Kennedyville 410, 443, 667
Kent County MD 21650 Massey 410, 443, 667
Kent County MD 21651 Millington 302, 410, 443, 667
Kent County MD 21661 Rock Hall 410, 443, 667
Kent County MD 21667 Still Pond 410, 443, 667
Kent County MD 21678 Worton 410, 443, 667
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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.