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Phone Directory 815-859 Detail

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Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-859 Rock Falls, IL Essex Telcom Whiteside Landline 06/13/2000

Other Series For Prefixes

815-8590###
815-8591###
815-8592###
815-8593###
815-8594###
815-8595###
815-8596###
815-8597###
815-8598###
815-8599###