Find the last 4 digits (ZIP+4) for an address in 21204

ZIP 21204, Towson, MD is filled in. Just type the street address.

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ZIP Code 21204 – Towson, MD

Towson, Maryland · Baltimore County · Eastern time

ZIP code21204
CityTowson
StateMaryland
CountyBaltimore County
Population19,845
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.26 sq mi
Center (lat, long)39.4064, -76.6261

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21204 (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

21252 Towson · 1.2 mi21139 Riderwood · 1.2 mi21284 Towson · 1.3 mi21285 Towson · 1.4 mi21093 Lutherville Timonium · 2.3 mi21022 Brooklandville · 2.5 mi21212 Baltimore · 2.8 mi21286 Towson · 2.8 mi

About ZIP 21204

ZIP code 21204 is assigned to Towson, Maryland. It lies in Baltimore County. Its Census area covers about 6.26 square miles of land. The closest neighboring ZIP is 21252 (Towson), about 1.2 miles away.

Every address in 21204 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