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).

  • 4104287900 | +1 410-428-7900 Maryland U.S.A.
  • 4104287901 | +1 410-428-7901 Maryland U.S.A.
  • 4104287902 | +1 410-428-7902 Maryland U.S.A.
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  • 4104287904 | +1 410-428-7904 Maryland U.S.A.
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  • 4104287910 | +1 410-428-7910 Maryland U.S.A.
  • 4104287911 | +1 410-428-7911 Maryland U.S.A.
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  • 4104287951 | +1 410-428-7951 Maryland U.S.A.
  • 4104287952 | +1 410-428-7952 Maryland U.S.A.
  • 4104287953 | +1 410-428-7953 Maryland U.S.A.
  • 4104287954 | +1 410-428-7954 Maryland U.S.A.
  • 4104287955 | +1 410-428-7955 Maryland U.S.A.
  • 4104287956 | +1 410-428-7956 Maryland U.S.A.
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  • 4104287970 | +1 410-428-7970 Maryland U.S.A.
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  • 4104287978 | +1 410-428-7978 Maryland U.S.A.
  • 4104287979 | +1 410-428-7979 Maryland U.S.A.
  • 4104287980 | +1 410-428-7980 Maryland U.S.A.
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  • 4104287990 | +1 410-428-7990 Maryland U.S.A.
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  • 4104287998 | +1 410-428-7998 Maryland U.S.A.
  • 4104287999 | +1 410-428-7999 Maryland U.S.A.