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).

  • 4436910400 | +1 443-691-0400 Maryland U.S.A.
  • 4436910401 | +1 443-691-0401 Maryland U.S.A.
  • 4436910402 | +1 443-691-0402 Maryland U.S.A.
  • 4436910403 | +1 443-691-0403 Maryland U.S.A.
  • 4436910404 | +1 443-691-0404 Maryland U.S.A.
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  • 4436910411 | +1 443-691-0411 Maryland U.S.A.
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  • 4436910452 | +1 443-691-0452 Maryland U.S.A.
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  • 4436910457 | +1 443-691-0457 Maryland U.S.A.
  • 4436910458 | +1 443-691-0458 Maryland U.S.A.
  • 4436910459 | +1 443-691-0459 Maryland U.S.A.
  • 4436910460 | +1 443-691-0460 Maryland U.S.A.
  • 4436910461 | +1 443-691-0461 Maryland U.S.A.
  • 4436910462 | +1 443-691-0462 Maryland U.S.A.
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  • 4436910473 | +1 443-691-0473 Maryland U.S.A.
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  • 4436910481 | +1 443-691-0481 Maryland U.S.A.
  • 4436910482 | +1 443-691-0482 Maryland U.S.A.
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