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).

  • 4438478100 | +1 443-847-8100 Maryland U.S.A.
  • 4438478101 | +1 443-847-8101 Maryland U.S.A.
  • 4438478102 | +1 443-847-8102 Maryland U.S.A.
  • 4438478103 | +1 443-847-8103 Maryland U.S.A.
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  • 4438478110 | +1 443-847-8110 Maryland U.S.A.
  • 4438478111 | +1 443-847-8111 Maryland U.S.A.
  • 4438478112 | +1 443-847-8112 Maryland U.S.A.
  • 4438478113 | +1 443-847-8113 Maryland U.S.A.
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  • 4438478118 | +1 443-847-8118 Maryland U.S.A.
  • 4438478119 | +1 443-847-8119 Maryland U.S.A.
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  • 4438478151 | +1 443-847-8151 Maryland U.S.A.
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