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Phone Directory 815-774 Detail

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-774 Joliet, IL Ameritech Illinois Will Landline 02/04/1994

Other Series For Prefixes

815-7740###
815-7741###
815-7742###
815-7743###
815-7744###
815-7745###
815-7746###
815-7747###
815-7748###
815-7749###