Keymar, Maryland

ZIP codes in Keymar

Area codes for Keymar

• Area code 410

  In service since October 6, 1991. Shares its area with 443 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 443

  In service since June 1, 1997. Shares its area with 410 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 667

  In service since March 24, 2012. Shares its area with 410 and 443. 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

Keymar is in the Eastern Time zone.

Towns near Keymar

• Ladiesburg0.9 km (0.6 mi)
• New Midway1.1 km (0.7 mi)
• Woodsboro4.1 km (2.5 mi)
• Rocky Ridge6.1 km (3.8 mi)
• Libertytown9.7 km (6.0 mi)
• Graceham10.7 km (6.6 mi)
• Walkersville11.2 km (7.0 mi)
• Thurmont11.2 km (7.0 mi)