City of Columbia


443 Area code: Columbia, Howard - Wireless

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 4438233000 | +1 443-823-3000 Maryland U.S.A.
  • 4438233001 | +1 443-823-3001 Maryland U.S.A.
  • 4438233002 | +1 443-823-3002 Maryland U.S.A.
  • 4438233003 | +1 443-823-3003 Maryland U.S.A.
  • 4438233004 | +1 443-823-3004 Maryland U.S.A.
  • 4438233005 | +1 443-823-3005 Maryland U.S.A.
  • 4438233006 | +1 443-823-3006 Maryland U.S.A.
  • 4438233007 | +1 443-823-3007 Maryland U.S.A.
  • 4438233008 | +1 443-823-3008 Maryland U.S.A.
  • 4438233009 | +1 443-823-3009 Maryland U.S.A.
  • 4438233010 | +1 443-823-3010 Maryland U.S.A.
  • 4438233011 | +1 443-823-3011 Maryland U.S.A.
  • 4438233012 | +1 443-823-3012 Maryland U.S.A.
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  • 4438233014 | +1 443-823-3014 Maryland U.S.A.
  • 4438233015 | +1 443-823-3015 Maryland U.S.A.
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