City of Baltimore


443 Area code: Baltimore, Baltimore City - 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).

  • 4437373300 | +1 443-737-3300 Maryland U.S.A.
  • 4437373301 | +1 443-737-3301 Maryland U.S.A.
  • 4437373302 | +1 443-737-3302 Maryland U.S.A.
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  • 4437373378 | +1 443-737-3378 Maryland U.S.A.
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  • 4437373399 | +1 443-737-3399 Maryland U.S.A.