Find the last 4 digits (ZIP+4) for an address in 21904

ZIP 21904, Port Deposit, MD is filled in. Just type the street address.

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ZIP Code 21904 – Port Deposit, MD

Port Deposit, Maryland · Cecil County · Eastern time

ZIP code21904
CityPort Deposit
StateMaryland
CountyCecil County
Population6,233
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area23.6 sq mi
Center (lat, long)39.6155, -76.0680

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21904 (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

21903 Perryville · 3.1 mi21917 Colora · 4.2 mi21902 Perry Point · 4.4 mi21914 Charlestown · 5.2 mi21078 Havre De Grace · 5.5 mi21911 Rising Sun · 5.8 mi21901 North East · 5.8 mi21918 Conowingo · 7.2 mi

About ZIP 21904

ZIP code 21904 is assigned to Port Deposit, Maryland. It lies in Cecil County. Its Census area covers about 23.6 square miles of land. The closest neighboring ZIP is 21903 (Perryville), about 3.1 miles away.

Every address in 21904 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