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).

  • 4104282800 | +1 410-428-2800 Maryland U.S.A.
  • 4104282801 | +1 410-428-2801 Maryland U.S.A.
  • 4104282802 | +1 410-428-2802 Maryland U.S.A.
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  • 4104282808 | +1 410-428-2808 Maryland U.S.A.
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  • 4104282811 | +1 410-428-2811 Maryland U.S.A.
  • 4104282812 | +1 410-428-2812 Maryland U.S.A.
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  • 4104282828 | +1 410-428-2828 Maryland U.S.A.
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  • 4104282868 | +1 410-428-2868 Maryland U.S.A.
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  • 4104282878 | +1 410-428-2878 Maryland U.S.A.
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  • 4104282898 | +1 410-428-2898 Maryland U.S.A.
  • 4104282899 | +1 410-428-2899 Maryland U.S.A.