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).

  • 3017506200 | +1 301-750-6200 Maryland U.S.A.
  • 3017506201 | +1 301-750-6201 Maryland U.S.A.
  • 3017506202 | +1 301-750-6202 Maryland U.S.A.
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  • 3017506210 | +1 301-750-6210 Maryland U.S.A.
  • 3017506211 | +1 301-750-6211 Maryland U.S.A.
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  • 3017506265 | +1 301-750-6265 Maryland U.S.A.
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  • 3017506270 | +1 301-750-6270 Maryland U.S.A.
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  • 3017506272 | +1 301-750-6272 Maryland U.S.A.
  • 3017506273 | +1 301-750-6273 Maryland U.S.A.
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  • 3017506279 | +1 301-750-6279 Maryland U.S.A.
  • 3017506280 | +1 301-750-6280 Maryland U.S.A.
  • 3017506281 | +1 301-750-6281 Maryland U.S.A.
  • 3017506282 | +1 301-750-6282 Maryland U.S.A.
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  • 3017506299 | +1 301-750-6299 Maryland U.S.A.