City of Columbia


410 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).

  • 4104282600 | +1 410-428-2600 Maryland U.S.A.
  • 4104282601 | +1 410-428-2601 Maryland U.S.A.
  • 4104282602 | +1 410-428-2602 Maryland U.S.A.
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  • 4104282626 | +1 410-428-2626 Maryland U.S.A.
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  • 4104282670 | +1 410-428-2670 Maryland U.S.A.
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  • 4104282677 | +1 410-428-2677 Maryland U.S.A.
  • 4104282678 | +1 410-428-2678 Maryland U.S.A.
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