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Phone Directory 312-425 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-425 Chicago, IL Ameritech Illinois Cook Landline 07/01/1996

Other Series For Prefixes

312-4250###
312-4251###
312-4252###
312-4253###
312-4254###
312-4255###
312-4256###
312-4257###
312-4258###
312-4259###