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Phone Directory 312-710 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-710 Chicago, IL Ameritech Illinois Cook Landline 07/04/1995

Other Series For Prefixes

312-7100###
312-7101###
312-7102###
312-7103###
312-7104###
312-7105###
312-7106###
312-7107###
312-7108###
312-7109###