Zip Area Code

Chillum, Maryland

No ZIP code carries the name of Chillum, Maryland, in Prince George's County; the nearest ZIP codes are 20712, 20782 and 20912, in area code 301, with overlays 227 and 240.

Nearest ZIP
20712, 20782, 20912
Area codes
301, 227, 240
Time zone
Eastern Time
Coordinates
38.9667, -76.9789

Nearest ZIP codes to Chillum

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

ZIP codePost officeCountyArea codes
20712Mount RainierPrince George's County301, 227, 240
20782HyattsvillePrince George's County301, 227, 240
20912Takoma ParkMontgomery County301, 227, 240

Area codes for Chillum

  • 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

Chillum is in the Eastern Time zone.

Towns near Chillum