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Phone Directory 312-589 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-589 Chicago, IL Ameritech Illinois Cook Landline 03/03/2001

Other Series For Prefixes

312-5890###
312-5891###
312-5892###
312-5893###
312-5894###
312-5895###
312-5896###
312-5897###
312-5898###
312-5899###