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).

  • 4438230300 | +1 443-823-0300 Maryland U.S.A.
  • 4438230301 | +1 443-823-0301 Maryland U.S.A.
  • 4438230302 | +1 443-823-0302 Maryland U.S.A.
  • 4438230303 | +1 443-823-0303 Maryland U.S.A.
  • 4438230304 | +1 443-823-0304 Maryland U.S.A.
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  • 4438230310 | +1 443-823-0310 Maryland U.S.A.
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  • 4438230314 | +1 443-823-0314 Maryland U.S.A.
  • 4438230315 | +1 443-823-0315 Maryland U.S.A.
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  • 4438230325 | +1 443-823-0325 Maryland U.S.A.
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  • 4438230332 | +1 443-823-0332 Maryland U.S.A.
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  • 4438230399 | +1 443-823-0399 Maryland U.S.A.