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Phone Directory 312-807 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-807 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-8070###
312-8071###
312-8072###
312-8073###
312-8074###
312-8075###
312-8076###
312-8077###
312-8078###
312-8079###