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Phone Directory 312-829 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-829 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-8290###
312-8291###
312-8292###
312-8293###
312-8294###
312-8295###
312-8296###
312-8297###
312-8298###
312-8299###