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From phoneinfosite.com:
Area Code 724
Area code 724 is in Pennsylvania (New Castle, Washington, Uniontown and south western Pennsylvania, overlays with 878).
Exchange 724-417
Exchange 417 is in or around Sewickley, PA. (Allegheny County, Zipcode 15143)
From whitepages.com:
(724) 417-2542
Type: Cell Phone
Provider: Cricket Comm
Location: Rochester, PA