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).

  • 3017501000 | +1 301-750-1000 Maryland U.S.A.
  • 3017501001 | +1 301-750-1001 Maryland U.S.A.
  • 3017501002 | +1 301-750-1002 Maryland U.S.A.
  • 3017501003 | +1 301-750-1003 Maryland U.S.A.
  • 3017501004 | +1 301-750-1004 Maryland U.S.A.
  • 3017501005 | +1 301-750-1005 Maryland U.S.A.
  • 3017501006 | +1 301-750-1006 Maryland U.S.A.
  • 3017501007 | +1 301-750-1007 Maryland U.S.A.
  • 3017501008 | +1 301-750-1008 Maryland U.S.A.
  • 3017501009 | +1 301-750-1009 Maryland U.S.A.
  • 3017501010 | +1 301-750-1010 Maryland U.S.A.
  • 3017501011 | +1 301-750-1011 Maryland U.S.A.
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  • 3017501016 | +1 301-750-1016 Maryland U.S.A.
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  • 3017501038 | +1 301-750-1038 Maryland U.S.A.
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  • 3017501070 | +1 301-750-1070 Maryland U.S.A.
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  • 3017501080 | +1 301-750-1080 Maryland U.S.A.
  • 3017501081 | +1 301-750-1081 Maryland U.S.A.
  • 3017501082 | +1 301-750-1082 Maryland U.S.A.
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  • 3017501085 | +1 301-750-1085 Maryland U.S.A.
  • 3017501086 | +1 301-750-1086 Maryland U.S.A.
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  • 3017501088 | +1 301-750-1088 Maryland U.S.A.
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  • 3017501099 | +1 301-750-1099 Maryland U.S.A.