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Maryland

Area code 240

Area code 240 covers Rockville and Maryland, plus 7 other places. Got a call from a 240 number? Look it up below.

Cities in area code 240

  • Rockville, MD
  • Frederick, MD
  • Hagerstown, MD
  • Gaithersburg, MD
  • Cumberland, MD
  • Laurel, MD
  • Germantown, MD
  • Joint Base Andrews Naval Air Facility, MD

Recently reported 240 numbers

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