Find the last 4 digits (ZIP+4) for an address in 21638

ZIP 21638, Grasonville, MD is filled in. Just type the street address.

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ZIP Code 21638 – Grasonville, MD

Grasonville, Maryland · Queen Anne's County · Eastern time

ZIP code21638
CityGrasonville
StateMaryland
CountyQueen Anne's County
Population5,420
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.9 sq mi
Center (lat, long)38.9402, -76.2076

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21638 (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

21619 Chester · 3.1 mi21658 Queenstown · 3.4 mi21679 Wye Mills · 6.2 mi21666 Stevensville · 6.9 mi21624 Claiborne · 8.2 mi21656 Price · 9 mi21690 Chestertown · 9 mi21663 Saint Michaels · 10.6 mi

About ZIP 21638

ZIP code 21638 is assigned to Grasonville, Maryland. It lies in Queen Anne's County. Its Census area covers about 9.9 square miles of land. The closest neighboring ZIP is 21619 (Chester), about 3.1 miles away.

Every address in 21638 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