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).

  • 4104288600 | +1 410-428-8600 Maryland U.S.A.
  • 4104288601 | +1 410-428-8601 Maryland U.S.A.
  • 4104288602 | +1 410-428-8602 Maryland U.S.A.
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  • 4104288610 | +1 410-428-8610 Maryland U.S.A.
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  • 4104288680 | +1 410-428-8680 Maryland U.S.A.
  • 4104288681 | +1 410-428-8681 Maryland U.S.A.
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  • 4104288699 | +1 410-428-8699 Maryland U.S.A.