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Phone Directory 312-472 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-472 Chicago, IL Ameritech Illinois Cook Landline 10/27/2005

Other Series For Prefixes

312-4720###
312-4721###
312-4722###
312-4723###
312-4724###
312-4725###
312-4726###
312-4727###
312-4728###
312-4729###