Find the last 4 digits (ZIP+4) for an address in 21711

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ZIP Code 21711 – Big Pool, MD

Big Pool, Maryland · Washington County · Eastern time

ZIP code21711
CityBig Pool
StateMaryland
CountyWashington County
Population929
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area24.56 sq mi
Center (lat, long)39.6684, -78.0196

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21711 (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

21722 Clear Spring · 5.6 mi25419 Falling Waters · 9.3 mi17236 Mercersburg · 9.9 mi17212 Big Cove Tannery · 10.2 mi25427 Hedgesville · 11.1 mi21750 Hancock · 11.5 mi21795 Williamsport · 12 mi25403 Martinsburg · 13.4 mi

About ZIP 21711

ZIP code 21711 is assigned to Big Pool, Maryland. It lies in Washington County. Its Census area covers about 24.56 square miles of land. The closest neighboring ZIP is 21722 (Clear Spring), about 5.6 miles away.

Every address in 21711 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