Find the last 4 digits (ZIP+4) for an address in 21036

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ZIP Code 21036 – Dayton, MD

Dayton, Maryland · Howard County · Eastern time

ZIP code21036
CityDayton
StateMaryland
CountyHoward County
Population2,569
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.25 sq mi
Center (lat, long)39.2346, -77.0067

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21036 (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

21737 Glenelg · 1.4 mi21029 Clarksville · 2.9 mi21738 Glenwood · 3.3 mi20833 Brookeville · 3.4 mi21041 Ellicott City · 3.5 mi21150 Simpsonville · 3.5 mi20862 Brinklow · 3.8 mi20777 Highland · 4.6 mi

About ZIP 21036

ZIP code 21036 is assigned to Dayton, Maryland. It lies in Howard County. Its Census area covers about 6.25 square miles of land. The closest neighboring ZIP is 21737 (Glenelg), about 1.4 miles away.

Every address in 21036 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