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).

  • 4108684500 | +1 410-868-4500 Maryland U.S.A.
  • 4108684501 | +1 410-868-4501 Maryland U.S.A.
  • 4108684502 | +1 410-868-4502 Maryland U.S.A.
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  • 4108684575 | +1 410-868-4575 Maryland U.S.A.
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  • 4108684597 | +1 410-868-4597 Maryland U.S.A.
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  • 4108684599 | +1 410-868-4599 Maryland U.S.A.