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Phone Directory 312-726 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-726 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-7260###
312-7261###
312-7262###
312-7263###
312-7264###
312-7265###
312-7266###
312-7267###
312-7268###
312-7269###