Columbia, Maryland

ZIP codes in Columbia

Area codes for Columbia

• 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

Columbia is in the Eastern Time zone.

Towns near Columbia

• Ellicott City6.6 km (4.1 mi)
• Scaggsville6.6 km (4.1 mi)
• Savage7.1 km (4.4 mi)
• North Laurel7.6 km (4.7 mi)
• Jessup7.6 km (4.7 mi)
• Fulton8.3 km (5.2 mi)
• Ilchester8.3 km (5.2 mi)
• Clarksville8.5 km (5.3 mi)