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Phone Directory 815-381 Detail

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Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-381 Rockford, IL Ameritech Illinois Winnebago Landline 04/01/1997

Other Series For Prefixes

815-3810###
815-3811###
815-3812###
815-3813###
815-3814###
815-3815###
815-3816###
815-3817###
815-3818###
815-3819###