Dickerson, Maryland

ZIP codes in Dickerson

Area codes for Dickerson

• 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

Dickerson is in the Eastern Time zone.

Towns near Dickerson

• Beallsville3.8 km (2.4 mi)
• Barnesville3.9 km (2.4 mi)
• Poolesville8.3 km (5.2 mi)
• Boyds8.9 km (5.5 mi)
• Adamstown9.2 km (5.7 mi)
• Tuscarora9.8 km (6.1 mi)
• Ten Mile Creek10.6 km (6.6 mi)
• Point Of Rocks12.2 km (7.6 mi)