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).

  • 4435735100 | +1 443-573-5100 Maryland U.S.A.
  • 4435735101 | +1 443-573-5101 Maryland U.S.A.
  • 4435735102 | +1 443-573-5102 Maryland U.S.A.
  • 4435735103 | +1 443-573-5103 Maryland U.S.A.
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  • 4435735110 | +1 443-573-5110 Maryland U.S.A.
  • 4435735111 | +1 443-573-5111 Maryland U.S.A.
  • 4435735112 | +1 443-573-5112 Maryland U.S.A.
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  • 4435735119 | +1 443-573-5119 Maryland U.S.A.
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  • 4435735152 | +1 443-573-5152 Maryland U.S.A.
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  • 4435735159 | +1 443-573-5159 Maryland U.S.A.
  • 4435735160 | +1 443-573-5160 Maryland U.S.A.
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  • 4435735181 | +1 443-573-5181 Maryland U.S.A.
  • 4435735182 | +1 443-573-5182 Maryland U.S.A.
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