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Phone Directory 815-823 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-823 Joliet, IL Xo Illinois Will Landline 02/27/1999

Other Series For Prefixes

815-8230###
815-8231###
815-8232###
815-8233###
815-8234###
815-8235###
815-8236###
815-8237###
815-8238###
815-8239###