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Phone Directory 312-486 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 486-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-486 Chicago, IL Mci Worldcom Communications Cook Landline 04/23/2004

Other Series For Prefixes

312-4860###
312-4861###
312-4862###
312-4863###
312-4864###
312-4865###
312-4866###
312-4867###
312-4868###
312-4869###