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).

  • 4435670000 | +1 443-567-0000 Maryland U.S.A.
  • 4435670001 | +1 443-567-0001 Maryland U.S.A.
  • 4435670002 | +1 443-567-0002 Maryland U.S.A.
  • 4435670003 | +1 443-567-0003 Maryland U.S.A.
  • 4435670004 | +1 443-567-0004 Maryland U.S.A.
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  • 4435670009 | +1 443-567-0009 Maryland U.S.A.
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  • 4435670011 | +1 443-567-0011 Maryland U.S.A.
  • 4435670012 | +1 443-567-0012 Maryland U.S.A.
  • 4435670013 | +1 443-567-0013 Maryland U.S.A.
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  • 4435670019 | +1 443-567-0019 Maryland U.S.A.
  • 4435670020 | +1 443-567-0020 Maryland U.S.A.
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  • 4435670027 | +1 443-567-0027 Maryland U.S.A.
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  • 4435670029 | +1 443-567-0029 Maryland U.S.A.
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  • 4435670031 | +1 443-567-0031 Maryland U.S.A.
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  • 4435670037 | +1 443-567-0037 Maryland U.S.A.
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  • 4435670039 | +1 443-567-0039 Maryland U.S.A.
  • 4435670040 | +1 443-567-0040 Maryland U.S.A.
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  • 4435670059 | +1 443-567-0059 Maryland U.S.A.
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