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Phone Directory 312-391 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-391 Chicago, IL New Cingular Wireless PCS Cook Cell Number 11/11/2003

Other Series For Prefixes

312-3910###
312-3911###
312-3912###
312-3913###
312-3914###
312-3915###
312-3916###
312-3917###
312-3918###
312-3919###