Find the last 4 digits (ZIP+4) for an address in 21651

ZIP 21651, Millington, MD is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 21651 – Millington, MD

Millington, Maryland · Kent County · Eastern time

ZIP code21651
CityMillington
StateMaryland
CountyKent CountyQueen Anne's County
Population2,290
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area40.57 sq mi
Center (lat, long)39.2561, -75.8584

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21651 (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

21628 Crumpton · 3.7 mi21668 Sudlersville · 4.5 mi21650 Massey · 4.6 mi21635 Galena · 5.5 mi21645 Kennedyville · 6.7 mi21930 Georgetown · 8 mi21607 Barclay · 8.4 mi19938 Clayton · 8.5 mi

About ZIP 21651

ZIP code 21651 is assigned to Millington, Maryland. It crosses 2 counties; most of its land is in Kent County. Its Census area covers about 40.57 square miles of land. The closest neighboring ZIP is 21628 (Crumpton), about 3.7 miles away.

Every address in 21651 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