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Phone Directory 815-601 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-601 Rockford, IL Bitwise Communications Winnebago Landline 10/30/2003

Other Series For Prefixes

815-6010###
815-6011###
815-6012###
815-6013###
815-6014###
815-6015###
815-6016###
815-6017###
815-6018###
815-6019###