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).

  • 3016621000 | +1 301-662-1000 Maryland U.S.A.
  • 3016621001 | +1 301-662-1001 Maryland U.S.A.
  • 3016621002 | +1 301-662-1002 Maryland U.S.A.
  • 3016621003 | +1 301-662-1003 Maryland U.S.A.
  • 3016621004 | +1 301-662-1004 Maryland U.S.A.
  • 3016621005 | +1 301-662-1005 Maryland U.S.A.
  • 3016621006 | +1 301-662-1006 Maryland U.S.A.
  • 3016621007 | +1 301-662-1007 Maryland U.S.A.
  • 3016621008 | +1 301-662-1008 Maryland U.S.A.
  • 3016621009 | +1 301-662-1009 Maryland U.S.A.
  • 3016621010 | +1 301-662-1010 Maryland U.S.A.
  • 3016621011 | +1 301-662-1011 Maryland U.S.A.
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  • 3016621016 | +1 301-662-1016 Maryland U.S.A.
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  • 3016621080 | +1 301-662-1080 Maryland U.S.A.
  • 3016621081 | +1 301-662-1081 Maryland U.S.A.
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