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).

  • 3017508400 | +1 301-750-8400 Maryland U.S.A.
  • 3017508401 | +1 301-750-8401 Maryland U.S.A.
  • 3017508402 | +1 301-750-8402 Maryland U.S.A.
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  • 3017508410 | +1 301-750-8410 Maryland U.S.A.
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  • 3017508450 | +1 301-750-8450 Maryland U.S.A.
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  • 3017508470 | +1 301-750-8470 Maryland U.S.A.
  • 3017508471 | +1 301-750-8471 Maryland U.S.A.
  • 3017508472 | +1 301-750-8472 Maryland U.S.A.
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  • 3017508477 | +1 301-750-8477 Maryland U.S.A.
  • 3017508478 | +1 301-750-8478 Maryland U.S.A.
  • 3017508479 | +1 301-750-8479 Maryland U.S.A.
  • 3017508480 | +1 301-750-8480 Maryland U.S.A.
  • 3017508481 | +1 301-750-8481 Maryland U.S.A.
  • 3017508482 | +1 301-750-8482 Maryland U.S.A.
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  • 3017508485 | +1 301-750-8485 Maryland U.S.A.
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  • 3017508488 | +1 301-750-8488 Maryland U.S.A.
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  • 3017508498 | +1 301-750-8498 Maryland U.S.A.
  • 3017508499 | +1 301-750-8499 Maryland U.S.A.