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Phone Directory 312-946 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-946 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-9460###
312-9461###
312-9462###
312-9463###
312-9464###
312-9465###
312-9466###
312-9467###
312-9468###
312-9469###