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).

  • 4437910000 | +1 443-791-0000 Maryland U.S.A.
  • 4437910001 | +1 443-791-0001 Maryland U.S.A.
  • 4437910002 | +1 443-791-0002 Maryland U.S.A.
  • 4437910003 | +1 443-791-0003 Maryland U.S.A.
  • 4437910004 | +1 443-791-0004 Maryland U.S.A.
  • 4437910005 | +1 443-791-0005 Maryland U.S.A.
  • 4437910006 | +1 443-791-0006 Maryland U.S.A.
  • 4437910007 | +1 443-791-0007 Maryland U.S.A.
  • 4437910008 | +1 443-791-0008 Maryland U.S.A.
  • 4437910009 | +1 443-791-0009 Maryland U.S.A.
  • 4437910010 | +1 443-791-0010 Maryland U.S.A.
  • 4437910011 | +1 443-791-0011 Maryland U.S.A.
  • 4437910012 | +1 443-791-0012 Maryland U.S.A.
  • 4437910013 | +1 443-791-0013 Maryland U.S.A.
  • 4437910014 | +1 443-791-0014 Maryland U.S.A.
  • 4437910015 | +1 443-791-0015 Maryland U.S.A.
  • 4437910016 | +1 443-791-0016 Maryland U.S.A.
  • 4437910017 | +1 443-791-0017 Maryland U.S.A.
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  • 4437910019 | +1 443-791-0019 Maryland U.S.A.
  • 4437910020 | +1 443-791-0020 Maryland U.S.A.
  • 4437910021 | +1 443-791-0021 Maryland U.S.A.
  • 4437910022 | +1 443-791-0022 Maryland U.S.A.
  • 4437910023 | +1 443-791-0023 Maryland U.S.A.
  • 4437910024 | +1 443-791-0024 Maryland U.S.A.
  • 4437910025 | +1 443-791-0025 Maryland U.S.A.
  • 4437910026 | +1 443-791-0026 Maryland U.S.A.
  • 4437910027 | +1 443-791-0027 Maryland U.S.A.
  • 4437910028 | +1 443-791-0028 Maryland U.S.A.
  • 4437910029 | +1 443-791-0029 Maryland U.S.A.
  • 4437910030 | +1 443-791-0030 Maryland U.S.A.
  • 4437910031 | +1 443-791-0031 Maryland U.S.A.
  • 4437910032 | +1 443-791-0032 Maryland U.S.A.
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  • 4437910034 | +1 443-791-0034 Maryland U.S.A.
  • 4437910035 | +1 443-791-0035 Maryland U.S.A.
  • 4437910036 | +1 443-791-0036 Maryland U.S.A.
  • 4437910037 | +1 443-791-0037 Maryland U.S.A.
  • 4437910038 | +1 443-791-0038 Maryland U.S.A.
  • 4437910039 | +1 443-791-0039 Maryland U.S.A.
  • 4437910040 | +1 443-791-0040 Maryland U.S.A.
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  • 4437910050 | +1 443-791-0050 Maryland U.S.A.
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  • 4437910055 | +1 443-791-0055 Maryland U.S.A.
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  • 4437910057 | +1 443-791-0057 Maryland U.S.A.
  • 4437910058 | +1 443-791-0058 Maryland U.S.A.
  • 4437910059 | +1 443-791-0059 Maryland U.S.A.
  • 4437910060 | +1 443-791-0060 Maryland U.S.A.
  • 4437910061 | +1 443-791-0061 Maryland U.S.A.
  • 4437910062 | +1 443-791-0062 Maryland U.S.A.
  • 4437910063 | +1 443-791-0063 Maryland U.S.A.
  • 4437910064 | +1 443-791-0064 Maryland U.S.A.
  • 4437910065 | +1 443-791-0065 Maryland U.S.A.
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  • 4437910075 | +1 443-791-0075 Maryland U.S.A.
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  • 4437910080 | +1 443-791-0080 Maryland U.S.A.
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  • 4437910085 | +1 443-791-0085 Maryland U.S.A.
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  • 4437910090 | +1 443-791-0090 Maryland U.S.A.
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