Zip Area Code

Wilson-Conococheague, Maryland

No ZIP code carries the name of Wilson-Conococheague, Maryland, in Washington County; the nearest ZIP codes are 21722, 21740 and 21795, in area code 301, with overlays 227 and 240.

Nearest ZIP
21722, 21740, 21795
Area codes
301, 227, 240
Time zone
Eastern Time
Coordinates
39.6512, -77.8271

Nearest ZIP codes to Wilson-Conococheague

These are the ZIP codes nearest to Wilson-Conococheague, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
21722Clear SpringWashington County301, 227, 240
21740HagerstownWashington County301, 227, 240
21795WilliamsportWashington County301, 227, 240

Area codes for Wilson-Conococheague

  • Area code 301

    In service since 1947. Shares its area with 227 and 240. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 227

    In service since June 14, 2023. Shares its area with 240 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 240

    In service since June 1, 1997. Shares its area with 227 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Wilson-Conococheague is in the Eastern Time zone.

Towns near Wilson-Conococheague