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).

  • 4104288800 | +1 410-428-8800 Maryland U.S.A.
  • 4104288801 | +1 410-428-8801 Maryland U.S.A.
  • 4104288802 | +1 410-428-8802 Maryland U.S.A.
  • 4104288803 | +1 410-428-8803 Maryland U.S.A.
  • 4104288804 | +1 410-428-8804 Maryland U.S.A.
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  • 4104288810 | +1 410-428-8810 Maryland U.S.A.
  • 4104288811 | +1 410-428-8811 Maryland U.S.A.
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  • 4104288855 | +1 410-428-8855 Maryland U.S.A.
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  • 4104288859 | +1 410-428-8859 Maryland U.S.A.
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  • 4104288878 | +1 410-428-8878 Maryland U.S.A.
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  • 4104288880 | +1 410-428-8880 Maryland U.S.A.
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  • 4104288888 | +1 410-428-8888 Maryland U.S.A.
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  • 4104288897 | +1 410-428-8897 Maryland U.S.A.
  • 4104288898 | +1 410-428-8898 Maryland U.S.A.
  • 4104288899 | +1 410-428-8899 Maryland U.S.A.