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Phone Directory 312-444 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-444 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-4440###
312-4441###
312-4442###
312-4443###
312-4444###
312-4445###
312-4446###
312-4447###
312-4448###
312-4449###