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Phone Directory 815-387 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-387 Rockford, IL Ameritech Illinois Winnebago Landline 05/18/1998

Other Series For Prefixes

815-3870###
815-3871###
815-3872###
815-3873###
815-3874###
815-3875###
815-3876###
815-3877###
815-3878###
815-3879###