City of Columbia


443 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).

  • 4439943800 | +1 443-994-3800 Maryland U.S.A.
  • 4439943801 | +1 443-994-3801 Maryland U.S.A.
  • 4439943802 | +1 443-994-3802 Maryland U.S.A.
  • 4439943803 | +1 443-994-3803 Maryland U.S.A.
  • 4439943804 | +1 443-994-3804 Maryland U.S.A.
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  • 4439943811 | +1 443-994-3811 Maryland U.S.A.
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  • 4439943881 | +1 443-994-3881 Maryland U.S.A.
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