City of Frederick


301 Area code: Frederick, Frederick - 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).

  • 3017506800 | +1 301-750-6800 Maryland U.S.A.
  • 3017506801 | +1 301-750-6801 Maryland U.S.A.
  • 3017506802 | +1 301-750-6802 Maryland U.S.A.
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  • 3017506810 | +1 301-750-6810 Maryland U.S.A.
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  • 3017506856 | +1 301-750-6856 Maryland U.S.A.
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  • 3017506870 | +1 301-750-6870 Maryland U.S.A.
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  • 3017506878 | +1 301-750-6878 Maryland U.S.A.
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  • 3017506880 | +1 301-750-6880 Maryland U.S.A.
  • 3017506881 | +1 301-750-6881 Maryland U.S.A.
  • 3017506882 | +1 301-750-6882 Maryland U.S.A.
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  • 3017506899 | +1 301-750-6899 Maryland U.S.A.