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Phone Directory 312-588 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-588 Chicago, IL Ameritech Illinois Cook Landline 01/25/1998

Other Series For Prefixes

312-5880###
312-5881###
312-5882###
312-5883###
312-5884###
312-5885###
312-5886###
312-5887###
312-5888###
312-5889###