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Phone Directory 312-245 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-245 Chicago, IL Ameritech Illinois Cook Landline 10/11/1997

Other Series For Prefixes

312-2450###
312-2451###
312-2452###
312-2453###
312-2454###
312-2455###
312-2456###
312-2457###
312-2458###
312-2459###