Find the last 4 digits (ZIP+4) for an address in 20778

ZIP 20778, West River, MD is filled in. Just type the street address.

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ZIP Code 20778 – West River, MD

West River, Maryland · Anne Arundel County · Eastern time

ZIP code20778
CityWest River
StateMaryland
CountyAnne Arundel County
Population2,211
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.64 sq mi
Center (lat, long)38.8287, -76.5727

Area codes in this area

410443667

These are the area codes that most often serve ZIP 20778 (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

20765 Galesville · 1.8 mi20751 Deale · 2.4 mi20733 Churchton · 2.7 mi20776 Harwood · 3.6 mi20764 Shady Side · 3.7 mi20711 Lothian · 4.3 mi20779 Tracys Landing · 4.8 mi21106 Mayo · 5.2 mi

About ZIP 20778

ZIP code 20778 is assigned to West River, Maryland. It lies in Anne Arundel County. Its Census area covers about 7.64 square miles of land. The closest neighboring ZIP is 20765 (Galesville), about 1.8 miles away.

Every address in 20778 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