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).

  • 4104285900 | +1 410-428-5900 Maryland U.S.A.
  • 4104285901 | +1 410-428-5901 Maryland U.S.A.
  • 4104285902 | +1 410-428-5902 Maryland U.S.A.
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  • 4104285904 | +1 410-428-5904 Maryland U.S.A.
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  • 4104285910 | +1 410-428-5910 Maryland U.S.A.
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  • 4104285948 | +1 410-428-5948 Maryland U.S.A.
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  • 4104285951 | +1 410-428-5951 Maryland U.S.A.
  • 4104285952 | +1 410-428-5952 Maryland U.S.A.
  • 4104285953 | +1 410-428-5953 Maryland U.S.A.
  • 4104285954 | +1 410-428-5954 Maryland U.S.A.
  • 4104285955 | +1 410-428-5955 Maryland U.S.A.
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  • 4104285960 | +1 410-428-5960 Maryland U.S.A.
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  • 4104285978 | +1 410-428-5978 Maryland U.S.A.
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  • 4104285980 | +1 410-428-5980 Maryland U.S.A.
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  • 4104285990 | +1 410-428-5990 Maryland U.S.A.
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  • 4104285998 | +1 410-428-5998 Maryland U.S.A.
  • 4104285999 | +1 410-428-5999 Maryland U.S.A.