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).

  • 4106931600 | +1 410-693-1600 Maryland U.S.A.
  • 4106931601 | +1 410-693-1601 Maryland U.S.A.
  • 4106931602 | +1 410-693-1602 Maryland U.S.A.
  • 4106931603 | +1 410-693-1603 Maryland U.S.A.
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  • 4106931610 | +1 410-693-1610 Maryland U.S.A.
  • 4106931611 | +1 410-693-1611 Maryland U.S.A.
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  • 4106931616 | +1 410-693-1616 Maryland U.S.A.
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  • 4106931680 | +1 410-693-1680 Maryland U.S.A.
  • 4106931681 | +1 410-693-1681 Maryland U.S.A.
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