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Phone Directory 815-397 Detail

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Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-397 Rockford, IL Ameritech Illinois Winnebago Landline 02/04/1994

Other Series For Prefixes

815-3970###
815-3971###
815-3972###
815-3973###
815-3974###
815-3975###
815-3976###
815-3977###
815-3978###
815-3979###