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Phone Directory 815-923 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-923 Union, IL Ameritech Illinois Mchenry Landline 02/04/1994

Other Series For Prefixes

815-9230###
815-9231###
815-9232###
815-9233###
815-9234###
815-9235###
815-9236###
815-9237###
815-9238###
815-9239###