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).

  • 4104284700 | +1 410-428-4700 Maryland U.S.A.
  • 4104284701 | +1 410-428-4701 Maryland U.S.A.
  • 4104284702 | +1 410-428-4702 Maryland U.S.A.
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  • 4104284710 | +1 410-428-4710 Maryland U.S.A.
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  • 4104284751 | +1 410-428-4751 Maryland U.S.A.
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  • 4104284754 | +1 410-428-4754 Maryland U.S.A.
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  • 4104284798 | +1 410-428-4798 Maryland U.S.A.
  • 4104284799 | +1 410-428-4799 Maryland U.S.A.