City of Columbia


410 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).

  • 4108689000 | +1 410-868-9000 Maryland U.S.A.
  • 4108689001 | +1 410-868-9001 Maryland U.S.A.
  • 4108689002 | +1 410-868-9002 Maryland U.S.A.
  • 4108689003 | +1 410-868-9003 Maryland U.S.A.
  • 4108689004 | +1 410-868-9004 Maryland U.S.A.
  • 4108689005 | +1 410-868-9005 Maryland U.S.A.
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  • 4108689007 | +1 410-868-9007 Maryland U.S.A.
  • 4108689008 | +1 410-868-9008 Maryland U.S.A.
  • 4108689009 | +1 410-868-9009 Maryland U.S.A.
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  • 4108689011 | +1 410-868-9011 Maryland U.S.A.
  • 4108689012 | +1 410-868-9012 Maryland U.S.A.
  • 4108689013 | +1 410-868-9013 Maryland U.S.A.
  • 4108689014 | +1 410-868-9014 Maryland U.S.A.
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