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).

  • 4108683500 | +1 410-868-3500 Maryland U.S.A.
  • 4108683501 | +1 410-868-3501 Maryland U.S.A.
  • 4108683502 | +1 410-868-3502 Maryland U.S.A.
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  • 4108683574 | +1 410-868-3574 Maryland U.S.A.
  • 4108683575 | +1 410-868-3575 Maryland U.S.A.
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  • 4108683594 | +1 410-868-3594 Maryland U.S.A.
  • 4108683595 | +1 410-868-3595 Maryland U.S.A.
  • 4108683596 | +1 410-868-3596 Maryland U.S.A.
  • 4108683597 | +1 410-868-3597 Maryland U.S.A.
  • 4108683598 | +1 410-868-3598 Maryland U.S.A.
  • 4108683599 | +1 410-868-3599 Maryland U.S.A.