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Phone Directory 312-441 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-441 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-4410###
312-4411###
312-4412###
312-4413###
312-4414###
312-4415###
312-4416###
312-4417###
312-4418###
312-4419###