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).

  • 3016625500 | +1 301-662-5500 Maryland U.S.A.
  • 3016625501 | +1 301-662-5501 Maryland U.S.A.
  • 3016625502 | +1 301-662-5502 Maryland U.S.A.
  • 3016625503 | +1 301-662-5503 Maryland U.S.A.
  • 3016625504 | +1 301-662-5504 Maryland U.S.A.
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  • 3016625510 | +1 301-662-5510 Maryland U.S.A.
  • 3016625511 | +1 301-662-5511 Maryland U.S.A.
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  • 3016625580 | +1 301-662-5580 Maryland U.S.A.
  • 3016625581 | +1 301-662-5581 Maryland U.S.A.
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