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Phone Directory 312-420 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-420 Chicago, IL New Cingular Wireless PCS Cook Cell Number 06/30/2001

Other Series For Prefixes

312-4200###
312-4201###
312-4202###
312-4203###
312-4204###
312-4205###
312-4206###
312-4207###
312-4208###
312-4209###