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).

  • 4108686500 | +1 410-868-6500 Maryland U.S.A.
  • 4108686501 | +1 410-868-6501 Maryland U.S.A.
  • 4108686502 | +1 410-868-6502 Maryland U.S.A.
  • 4108686503 | +1 410-868-6503 Maryland U.S.A.
  • 4108686504 | +1 410-868-6504 Maryland U.S.A.
  • 4108686505 | +1 410-868-6505 Maryland U.S.A.
  • 4108686506 | +1 410-868-6506 Maryland U.S.A.
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  • 4108686510 | +1 410-868-6510 Maryland U.S.A.
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  • 4108686514 | +1 410-868-6514 Maryland U.S.A.
  • 4108686515 | +1 410-868-6515 Maryland U.S.A.
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  • 4108686517 | +1 410-868-6517 Maryland U.S.A.
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  • 4108686524 | +1 410-868-6524 Maryland U.S.A.
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  • 4108686555 | +1 410-868-6555 Maryland U.S.A.
  • 4108686556 | +1 410-868-6556 Maryland U.S.A.
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  • 4108686575 | +1 410-868-6575 Maryland U.S.A.
  • 4108686576 | +1 410-868-6576 Maryland U.S.A.
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  • 4108686594 | +1 410-868-6594 Maryland U.S.A.
  • 4108686595 | +1 410-868-6595 Maryland U.S.A.
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  • 4108686597 | +1 410-868-6597 Maryland U.S.A.
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  • 4108686599 | +1 410-868-6599 Maryland U.S.A.