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Phone Directory 312-301 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-301 Hinsdale, IL New Cingular Wireless PCS Dupage Cell Number 02/11/1995

Other Series For Prefixes

312-3010###
312-3011###
312-3012###
312-3013###
312-3014###
312-3015###
312-3016###
312-3017###
312-3018###
312-3019###