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).

  • 3017505800 | +1 301-750-5800 Maryland U.S.A.
  • 3017505801 | +1 301-750-5801 Maryland U.S.A.
  • 3017505802 | +1 301-750-5802 Maryland U.S.A.
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  • 3017505810 | +1 301-750-5810 Maryland U.S.A.
  • 3017505811 | +1 301-750-5811 Maryland U.S.A.
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  • 3017505849 | +1 301-750-5849 Maryland U.S.A.
  • 3017505850 | +1 301-750-5850 Maryland U.S.A.
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  • 3017505852 | +1 301-750-5852 Maryland U.S.A.
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  • 3017505854 | +1 301-750-5854 Maryland U.S.A.
  • 3017505855 | +1 301-750-5855 Maryland U.S.A.
  • 3017505856 | +1 301-750-5856 Maryland U.S.A.
  • 3017505857 | +1 301-750-5857 Maryland U.S.A.
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  • 3017505860 | +1 301-750-5860 Maryland U.S.A.
  • 3017505861 | +1 301-750-5861 Maryland U.S.A.
  • 3017505862 | +1 301-750-5862 Maryland U.S.A.
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  • 3017505869 | +1 301-750-5869 Maryland U.S.A.
  • 3017505870 | +1 301-750-5870 Maryland U.S.A.
  • 3017505871 | +1 301-750-5871 Maryland U.S.A.
  • 3017505872 | +1 301-750-5872 Maryland U.S.A.
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  • 3017505877 | +1 301-750-5877 Maryland U.S.A.
  • 3017505878 | +1 301-750-5878 Maryland U.S.A.
  • 3017505879 | +1 301-750-5879 Maryland U.S.A.
  • 3017505880 | +1 301-750-5880 Maryland U.S.A.
  • 3017505881 | +1 301-750-5881 Maryland U.S.A.
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  • 3017505898 | +1 301-750-5898 Maryland U.S.A.
  • 3017505899 | +1 301-750-5899 Maryland U.S.A.