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).

  • 4108683700 | +1 410-868-3700 Maryland U.S.A.
  • 4108683701 | +1 410-868-3701 Maryland U.S.A.
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  • 4108683775 | +1 410-868-3775 Maryland U.S.A.
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  • 4108683795 | +1 410-868-3795 Maryland U.S.A.
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  • 4108683797 | +1 410-868-3797 Maryland U.S.A.
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  • 4108683799 | +1 410-868-3799 Maryland U.S.A.