Find the last 4 digits (ZIP+4) for an address in 21631

ZIP 21631, East New Market, MD is filled in. Just type the street address.

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ZIP Code 21631 – East New Market, MD

East New Market, Maryland · Dorchester County · Eastern time

ZIP code21631
CityEast New Market
StateMaryland
CountyDorchester County
Population2,429
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area24.14 sq mi
Center (lat, long)38.5824, -75.9390

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21631 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

21664 Secretary · 1.8 mi21835 Linkwood · 3.3 mi21643 Hurlock · 5.7 mi21673 Trappe · 7 mi21659 Rhodesdale · 7.5 mi21613 Cambridge · 9.3 mi21609 Bethlehem · 11 mi21655 Preston · 11.3 mi

About ZIP 21631

ZIP code 21631 is assigned to East New Market, Maryland. It lies in Dorchester County. Its Census area covers about 24.14 square miles of land. The closest neighboring ZIP is 21664 (Secretary), about 1.8 miles away.

Every address in 21631 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources