Clarksburg, Maryland

ZIP codes in Clarksburg

Area codes for Clarksburg

• 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

Clarksburg is in the Eastern Time zone.

Towns near Clarksburg

• Ten Mile Creek1.9 km (1.2 mi)
• Boyds4.5 km (2.8 mi)
• Damascus7.1 km (4.4 mi)
• Montgomery8.5 km (5.3 mi)
• Barnesville8.5 km (5.3 mi)
• Germantown9.8 km (6.1 mi)
• Ijamsville9.9 km (6.2 mi)
• Montgomery Village10.6 km (6.6 mi)