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).

  • 4104288500 | +1 410-428-8500 Maryland U.S.A.
  • 4104288501 | +1 410-428-8501 Maryland U.S.A.
  • 4104288502 | +1 410-428-8502 Maryland U.S.A.
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  • 4104288504 | +1 410-428-8504 Maryland U.S.A.
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  • 4104288510 | +1 410-428-8510 Maryland U.S.A.
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  • 4104288555 | +1 410-428-8555 Maryland U.S.A.
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  • 4104288568 | +1 410-428-8568 Maryland U.S.A.
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  • 4104288570 | +1 410-428-8570 Maryland U.S.A.
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  • 4104288578 | +1 410-428-8578 Maryland U.S.A.
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  • 4104288598 | +1 410-428-8598 Maryland U.S.A.
  • 4104288599 | +1 410-428-8599 Maryland U.S.A.