Find the last 4 digits (ZIP+4) for an address in 21776

ZIP 21776, New Windsor, MD is filled in. Just type the street address.

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ZIP Code 21776 – New Windsor, MD

New Windsor, Maryland · Carroll County · Eastern time

ZIP code21776
CityNew Windsor
StateMaryland
CountyCarroll CountyFrederick County
Population6,261
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area35.45 sq mi
Center (lat, long)39.5180, -77.0997

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21776 (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

21791 Union Bridge · 4.8 mi21792 Unionville · 5.5 mi21157 Westminster · 6.5 mi21762 Libertytown · 8.3 mi21771 Mount Airy · 9 mi21048 Finksburg · 9.4 mi21757 Keymar · 9.9 mi21158 Westminster · 10 mi

About ZIP 21776

ZIP code 21776 is assigned to New Windsor, Maryland. It crosses 2 counties; most of its land is in Carroll County. Its Census area covers about 35.45 square miles of land. The closest neighboring ZIP is 21791 (Union Bridge), about 4.8 miles away.

Every address in 21776 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