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).

  • 3017501300 | +1 301-750-1300 Maryland U.S.A.
  • 3017501301 | +1 301-750-1301 Maryland U.S.A.
  • 3017501302 | +1 301-750-1302 Maryland U.S.A.
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  • 3017501311 | +1 301-750-1311 Maryland U.S.A.
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  • 3017501370 | +1 301-750-1370 Maryland U.S.A.
  • 3017501371 | +1 301-750-1371 Maryland U.S.A.
  • 3017501372 | +1 301-750-1372 Maryland U.S.A.
  • 3017501373 | +1 301-750-1373 Maryland U.S.A.
  • 3017501374 | +1 301-750-1374 Maryland U.S.A.
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  • 3017501378 | +1 301-750-1378 Maryland U.S.A.
  • 3017501379 | +1 301-750-1379 Maryland U.S.A.
  • 3017501380 | +1 301-750-1380 Maryland U.S.A.
  • 3017501381 | +1 301-750-1381 Maryland U.S.A.
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  • 3017501386 | +1 301-750-1386 Maryland U.S.A.
  • 3017501387 | +1 301-750-1387 Maryland U.S.A.
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  • 3017501395 | +1 301-750-1395 Maryland U.S.A.
  • 3017501396 | +1 301-750-1396 Maryland U.S.A.
  • 3017501397 | +1 301-750-1397 Maryland U.S.A.
  • 3017501398 | +1 301-750-1398 Maryland U.S.A.
  • 3017501399 | +1 301-750-1399 Maryland U.S.A.