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).

  • 4435732100 | +1 443-573-2100 Maryland U.S.A.
  • 4435732101 | +1 443-573-2101 Maryland U.S.A.
  • 4435732102 | +1 443-573-2102 Maryland U.S.A.
  • 4435732103 | +1 443-573-2103 Maryland U.S.A.
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  • 4435732110 | +1 443-573-2110 Maryland U.S.A.
  • 4435732111 | +1 443-573-2111 Maryland U.S.A.
  • 4435732112 | +1 443-573-2112 Maryland U.S.A.
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  • 4435732161 | +1 443-573-2161 Maryland U.S.A.
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  • 4435732178 | +1 443-573-2178 Maryland U.S.A.
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  • 4435732181 | +1 443-573-2181 Maryland U.S.A.
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