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).

  • 3017506900 | +1 301-750-6900 Maryland U.S.A.
  • 3017506901 | +1 301-750-6901 Maryland U.S.A.
  • 3017506902 | +1 301-750-6902 Maryland U.S.A.
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  • 3017506955 | +1 301-750-6955 Maryland U.S.A.
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  • 3017506968 | +1 301-750-6968 Maryland U.S.A.
  • 3017506969 | +1 301-750-6969 Maryland U.S.A.
  • 3017506970 | +1 301-750-6970 Maryland U.S.A.
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  • 3017506976 | +1 301-750-6976 Maryland U.S.A.
  • 3017506977 | +1 301-750-6977 Maryland U.S.A.
  • 3017506978 | +1 301-750-6978 Maryland U.S.A.
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  • 3017506981 | +1 301-750-6981 Maryland U.S.A.
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  • 3017506998 | +1 301-750-6998 Maryland U.S.A.
  • 3017506999 | +1 301-750-6999 Maryland U.S.A.