Grantsville, Maryland

ZIP codes in Grantsville

Area codes for Grantsville

• 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

Grantsville is in the Eastern Time zone.

Towns near Grantsville

• Jennings5.1 km (3.2 mi)
• Bittinger10.3 km (6.4 mi)
• Lonaconing14.4 km (8.9 mi)
• Klondike14.7 km (9.1 mi)
• Carlos14.8 km (9.2 mi)
• Midlothian15.1 km (9.4 mi)
• Finzel15.6 km (9.7 mi)
• Detmold15.7 km (9.8 mi)