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).

  • 4432128100 | +1 443-212-8100 Maryland U.S.A.
  • 4432128101 | +1 443-212-8101 Maryland U.S.A.
  • 4432128102 | +1 443-212-8102 Maryland U.S.A.
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  • 4432128110 | +1 443-212-8110 Maryland U.S.A.
  • 4432128111 | +1 443-212-8111 Maryland U.S.A.
  • 4432128112 | +1 443-212-8112 Maryland U.S.A.
  • 4432128113 | +1 443-212-8113 Maryland U.S.A.
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