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Phone Directory 312-294 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-294 Chicago, IL Ameritech Illinois Cook Landline 10/11/1997

Other Series For Prefixes

312-2940###
312-2941###
312-2942###
312-2943###
312-2944###
312-2945###
312-2946###
312-2947###
312-2948###
312-2949###