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Phone Directory 312-635 Detail

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Illinois Chicago Central

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Example: (312) 635-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-635 Chicago, IL Global Crossing Local Services-il Cook Landline 11/11/2003

Other Series For Prefixes

312-6350###
312-6351###
312-6352###
312-6353###
312-6354###
312-6355###
312-6356###
312-6357###
312-6358###
312-6359###