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).

  • 4438239900 | +1 443-823-9900 Maryland U.S.A.
  • 4438239901 | +1 443-823-9901 Maryland U.S.A.
  • 4438239902 | +1 443-823-9902 Maryland U.S.A.
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  • 4438239908 | +1 443-823-9908 Maryland U.S.A.
  • 4438239909 | +1 443-823-9909 Maryland U.S.A.
  • 4438239910 | +1 443-823-9910 Maryland U.S.A.
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  • 4438239953 | +1 443-823-9953 Maryland U.S.A.
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  • 4438239999 | +1 443-823-9999 Maryland U.S.A.