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Phone Directory 815-570 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-570 Sandwich, IL Level 3 Communications Dekalb Landline 08/21/2002

Other Series For Prefixes

815-5700###
815-5701###
815-5702###
815-5703###
815-5704###
815-5705###
815-5706###
815-5707###
815-5708###
815-5709###