Zip Area Code

Newburg, Maryland

Newburg, Maryland, in Charles County, has ZIP code 20664 and area code 301, with overlays 227 and 240.

ZIP code
20664
Area codes
301, 227, 240
Time zone
Eastern Time
Coordinates
38.3298, -76.9175

ZIP codes in Newburg

ZIP codePost officeCountyArea codes
20664NewburgCharles County301, 227, 240

Area codes for Newburg

  • 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

Newburg is in the Eastern Time zone.

Towns near Newburg