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).

  • 4108682100 | +1 410-868-2100 Maryland U.S.A.
  • 4108682101 | +1 410-868-2101 Maryland U.S.A.
  • 4108682102 | +1 410-868-2102 Maryland U.S.A.
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  • 4108682110 | +1 410-868-2110 Maryland U.S.A.
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  • 4108682112 | +1 410-868-2112 Maryland U.S.A.
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  • 4108682174 | +1 410-868-2174 Maryland U.S.A.
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  • 4108682179 | +1 410-868-2179 Maryland U.S.A.
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  • 4108682198 | +1 410-868-2198 Maryland U.S.A.
  • 4108682199 | +1 410-868-2199 Maryland U.S.A.