CitysDirectory

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).

  • 4437565900 | +1 443-756-5900 Maryland U.S.A.
  • 4437565901 | +1 443-756-5901 Maryland U.S.A.
  • 4437565902 | +1 443-756-5902 Maryland U.S.A.
  • 4437565903 | +1 443-756-5903 Maryland U.S.A.
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  • 4437565981 | +1 443-756-5981 Maryland U.S.A.
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  • 4437565998 | +1 443-756-5998 Maryland U.S.A.
  • 4437565999 | +1 443-756-5999 Maryland U.S.A.

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