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Phone Directory 312-627 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-627 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-6270###
312-6271###
312-6272###
312-6273###
312-6274###
312-6275###
312-6276###
312-6277###
312-6278###
312-6279###