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Phone Directory 815-797 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-797 Somonauk, IL Level 3 Communications Dekalb Landline 12/06/2001

Other Series For Prefixes

815-7970###
815-7971###
815-7972###
815-7973###
815-7974###
815-7975###
815-7976###
815-7977###
815-7978###
815-7979###