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).

  • 3017504400 | +1 301-750-4400 Maryland U.S.A.
  • 3017504401 | +1 301-750-4401 Maryland U.S.A.
  • 3017504402 | +1 301-750-4402 Maryland U.S.A.
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  • 3017504404 | +1 301-750-4404 Maryland U.S.A.
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  • 3017504456 | +1 301-750-4456 Maryland U.S.A.
  • 3017504457 | +1 301-750-4457 Maryland U.S.A.
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  • 3017504460 | +1 301-750-4460 Maryland U.S.A.
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  • 3017504470 | +1 301-750-4470 Maryland U.S.A.
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  • 3017504477 | +1 301-750-4477 Maryland U.S.A.
  • 3017504478 | +1 301-750-4478 Maryland U.S.A.
  • 3017504479 | +1 301-750-4479 Maryland U.S.A.
  • 3017504480 | +1 301-750-4480 Maryland U.S.A.
  • 3017504481 | +1 301-750-4481 Maryland U.S.A.
  • 3017504482 | +1 301-750-4482 Maryland U.S.A.
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  • 3017504489 | +1 301-750-4489 Maryland U.S.A.
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  • 3017504497 | +1 301-750-4497 Maryland U.S.A.
  • 3017504498 | +1 301-750-4498 Maryland U.S.A.
  • 3017504499 | +1 301-750-4499 Maryland U.S.A.