Find the last 4 digits (ZIP+4) for an address in 21720

ZIP 21720, Cavetown, MD is filled in. Just type the street address.

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ZIP Code 21720 – Cavetown, MD

Cavetown, Maryland · Washington County · Eastern time

ZIP code21720
CityCavetown
StateMaryland
CountyWashington County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)39.6473, -77.5842

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21720 (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

21783 Smithsburg · 1.7 mi21721 Chewsville · 2.8 mi21742 Hagerstown · 4.2 mi21719 Cascade · 5.9 mi21780 Sabillasville · 6.2 mi17250 Rouzerville · 6.9 mi21734 Funkstown · 7 mi21741 Hagerstown · 7.2 mi

About ZIP 21720

ZIP code 21720 is assigned to Cavetown, Maryland. It lies in Washington County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 21783 (Smithsburg), about 1.7 miles away.

Every address in 21720 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