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).

  • 3017508700 | +1 301-750-8700 Maryland U.S.A.
  • 3017508701 | +1 301-750-8701 Maryland U.S.A.
  • 3017508702 | +1 301-750-8702 Maryland U.S.A.
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  • 3017508770 | +1 301-750-8770 Maryland U.S.A.
  • 3017508771 | +1 301-750-8771 Maryland U.S.A.
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  • 3017508778 | +1 301-750-8778 Maryland U.S.A.
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  • 3017508782 | +1 301-750-8782 Maryland U.S.A.
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  • 3017508799 | +1 301-750-8799 Maryland U.S.A.