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).

  • 3017505500 | +1 301-750-5500 Maryland U.S.A.
  • 3017505501 | +1 301-750-5501 Maryland U.S.A.
  • 3017505502 | +1 301-750-5502 Maryland U.S.A.
  • 3017505503 | +1 301-750-5503 Maryland U.S.A.
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  • 3017505555 | +1 301-750-5555 Maryland U.S.A.
  • 3017505556 | +1 301-750-5556 Maryland U.S.A.
  • 3017505557 | +1 301-750-5557 Maryland U.S.A.
  • 3017505558 | +1 301-750-5558 Maryland U.S.A.
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  • 3017505560 | +1 301-750-5560 Maryland U.S.A.
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  • 3017505568 | +1 301-750-5568 Maryland U.S.A.
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  • 3017505570 | +1 301-750-5570 Maryland U.S.A.
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  • 3017505576 | +1 301-750-5576 Maryland U.S.A.
  • 3017505577 | +1 301-750-5577 Maryland U.S.A.
  • 3017505578 | +1 301-750-5578 Maryland U.S.A.
  • 3017505579 | +1 301-750-5579 Maryland U.S.A.
  • 3017505580 | +1 301-750-5580 Maryland U.S.A.
  • 3017505581 | +1 301-750-5581 Maryland U.S.A.
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  • 3017505591 | +1 301-750-5591 Maryland U.S.A.
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  • 3017505597 | +1 301-750-5597 Maryland U.S.A.
  • 3017505598 | +1 301-750-5598 Maryland U.S.A.
  • 3017505599 | +1 301-750-5599 Maryland U.S.A.