Find the last 4 digits (ZIP+4) for an address in 21837

ZIP 21837, Mardela Springs, MD is filled in. Just type the street address.

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ZIP Code 21837 – Mardela Springs, MD

Mardela Springs, Maryland · Wicomico County · Eastern time

ZIP code21837
CityMardela Springs
StateMaryland
CountyWicomico County
Population2,891
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area43.86 sq mi
Center (lat, long)38.4546, -75.7663

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21837 (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

21830 Hebron · 4.3 mi21861 Sharptown · 6 mi21659 Rhodesdale · 8.5 mi21801 Salisbury · 8.7 mi21856 Quantico · 8.7 mi21802 Salisbury · 8.8 mi21803 Salisbury · 8.8 mi21869 Vienna · 9.3 mi

About ZIP 21837

ZIP code 21837 is assigned to Mardela Springs, Maryland. It lies in Wicomico County. Its Census area covers about 43.86 square miles of land. The closest neighboring ZIP is 21830 (Hebron), about 4.3 miles away.

Every address in 21837 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