Find the last 4 digits (ZIP+4) for an address in 21783

ZIP 21783, Smithsburg, 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 21783 – Smithsburg, MD

Smithsburg, Maryland · Washington County · Eastern time

ZIP code21783
CitySmithsburg
StateMaryland
CountyWashington CountyFrederick County
Population9,910
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area47.6 sq mi
Center (lat, long)39.6520, -77.5526

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21783 (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

21720 Cavetown · 1.7 mi21780 Sabillasville · 4.5 mi21721 Chewsville · 4.5 mi21719 Cascade · 4.6 mi21742 Hagerstown · 5.6 mi17250 Rouzerville · 6 mi21773 Myersville · 7.5 mi17214 Blue Ridge Summit · 7.9 mi

About ZIP 21783

ZIP code 21783 is assigned to Smithsburg, Maryland. It crosses 2 counties; most of its land is in Washington County. Its Census area covers about 47.6 square miles of land. The closest neighboring ZIP is 21720 (Cavetown), about 1.7 miles away.

Every address in 21783 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