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Phone Directory 312-862 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-862 Chicago, IL Ameritech Illinois Cook Landline 01/25/2006

Other Series For Prefixes

312-8620###
312-8621###
312-8622###
312-8623###
312-8624###
312-8625###
312-8626###
312-8627###
312-8628###
312-8629###