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).

  • 4438472300 | +1 443-847-2300 Maryland U.S.A.
  • 4438472301 | +1 443-847-2301 Maryland U.S.A.
  • 4438472302 | +1 443-847-2302 Maryland U.S.A.
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  • 4438472321 | +1 443-847-2321 Maryland U.S.A.
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  • 4438472325 | +1 443-847-2325 Maryland U.S.A.
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  • 4438472332 | +1 443-847-2332 Maryland U.S.A.
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  • 4438472353 | +1 443-847-2353 Maryland U.S.A.
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  • 4438472370 | +1 443-847-2370 Maryland U.S.A.
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  • 4438472377 | +1 443-847-2377 Maryland U.S.A.
  • 4438472378 | +1 443-847-2378 Maryland U.S.A.
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