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Phone Directory 815-754 Detail

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Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-754 Dekalb, IL Frontier North Dekalb Landline 02/04/1994

Other Series For Prefixes

815-7540###
815-7541###
815-7542###
815-7543###
815-7544###
815-7545###
815-7546###
815-7547###
815-7548###
815-7549###