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).

  • 4438238100 | +1 443-823-8100 Maryland U.S.A.
  • 4438238101 | +1 443-823-8101 Maryland U.S.A.
  • 4438238102 | +1 443-823-8102 Maryland U.S.A.
  • 4438238103 | +1 443-823-8103 Maryland U.S.A.
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  • 4438238110 | +1 443-823-8110 Maryland U.S.A.
  • 4438238111 | +1 443-823-8111 Maryland U.S.A.
  • 4438238112 | +1 443-823-8112 Maryland U.S.A.
  • 4438238113 | +1 443-823-8113 Maryland U.S.A.
  • 4438238114 | +1 443-823-8114 Maryland U.S.A.
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  • 4438238198 | +1 443-823-8198 Maryland U.S.A.
  • 4438238199 | +1 443-823-8199 Maryland U.S.A.