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).

  • 4438236000 | +1 443-823-6000 Maryland U.S.A.
  • 4438236001 | +1 443-823-6001 Maryland U.S.A.
  • 4438236002 | +1 443-823-6002 Maryland U.S.A.
  • 4438236003 | +1 443-823-6003 Maryland U.S.A.
  • 4438236004 | +1 443-823-6004 Maryland U.S.A.
  • 4438236005 | +1 443-823-6005 Maryland U.S.A.
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  • 4438236008 | +1 443-823-6008 Maryland U.S.A.
  • 4438236009 | +1 443-823-6009 Maryland U.S.A.
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  • 4438236011 | +1 443-823-6011 Maryland U.S.A.
  • 4438236012 | +1 443-823-6012 Maryland U.S.A.
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  • 4438236099 | +1 443-823-6099 Maryland U.S.A.