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).

  • 4104285800 | +1 410-428-5800 Maryland U.S.A.
  • 4104285801 | +1 410-428-5801 Maryland U.S.A.
  • 4104285802 | +1 410-428-5802 Maryland U.S.A.
  • 4104285803 | +1 410-428-5803 Maryland U.S.A.
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  • 4104285810 | +1 410-428-5810 Maryland U.S.A.
  • 4104285811 | +1 410-428-5811 Maryland U.S.A.
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  • 4104285854 | +1 410-428-5854 Maryland U.S.A.
  • 4104285855 | +1 410-428-5855 Maryland U.S.A.
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  • 4104285864 | +1 410-428-5864 Maryland U.S.A.
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  • 4104285871 | +1 410-428-5871 Maryland U.S.A.
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  • 4104285879 | +1 410-428-5879 Maryland U.S.A.
  • 4104285880 | +1 410-428-5880 Maryland U.S.A.
  • 4104285881 | +1 410-428-5881 Maryland U.S.A.
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  • 4104285898 | +1 410-428-5898 Maryland U.S.A.
  • 4104285899 | +1 410-428-5899 Maryland U.S.A.