City of Columbia


443 Area code: Columbia, Howard - Landline


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).

  • 4434400400 | +1 443-440-0400 Maryland U.S.A.
  • 4434400401 | +1 443-440-0401 Maryland U.S.A.
  • 4434400402 | +1 443-440-0402 Maryland U.S.A.
  • 4434400403 | +1 443-440-0403 Maryland U.S.A.
  • 4434400404 | +1 443-440-0404 Maryland U.S.A.
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  • 4434400411 | +1 443-440-0411 Maryland U.S.A.
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  • 4434400459 | +1 443-440-0459 Maryland U.S.A.
  • 4434400460 | +1 443-440-0460 Maryland U.S.A.
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  • 4434400481 | +1 443-440-0481 Maryland U.S.A.
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