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Phone Directory 815-442 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-442 Tonica, IL Tonica Telephone Co. La Salle Landline 02/04/1994

Other Series For Prefixes

815-4420###
815-4421###
815-4422###
815-4423###
815-4424###
815-4425###
815-4426###
815-4427###
815-4428###
815-4429###