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Phone Directory 312-525 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-525 Chicago, IL Mcimetro Access Transmission Services LLC Cook Landline 03/20/2002

Other Series For Prefixes

312-5250###
312-5251###
312-5252###
312-5253###
312-5254###
312-5255###
312-5256###
312-5257###
312-5258###
312-5259###