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Phone Directory 312-528 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-528 Chicago, IL Ameritech Illinois Cook Landline 01/25/1998

Other Series For Prefixes

312-5280###
312-5281###
312-5282###
312-5283###
312-5284###
312-5285###
312-5286###
312-5287###
312-5288###
312-5289###