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Phone Directory 312-681 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-681 Chicago, IL Ameritech Illinois Cook Landline 08/20/2000

Other Series For Prefixes

312-6810###
312-6811###
312-6812###
312-6813###
312-6814###
312-6815###
312-6816###
312-6817###
312-6818###
312-6819###