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Phone Directory 312-568 Detail

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Illinois Chicago Central

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Example: (312) 568-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-568 Chicago, IL Ameritech Illinois Cook Landline 06/13/2000

Other Series For Prefixes

312-5680###
312-5681###
312-5682###
312-5683###
312-5684###
312-5685###
312-5686###
312-5687###
312-5688###
312-5689###