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Phone Directory 312-534 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-534 Chicago, IL Ameritech Illinois Cook Landline 09/17/2008

Other Series For Prefixes

312-5340###
312-5341###
312-5342###
312-5343###
312-5344###
312-5345###
312-5346###
312-5347###
312-5348###
312-5349###