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Phone Directory 815-580 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-580 Rockford, IL AT&T Local Winnebago Landline 03/18/2003

Other Series For Prefixes

815-5800###
815-5801###
815-5802###
815-5803###
815-5804###
815-5805###
815-5806###
815-5807###
815-5808###
815-5809###