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Phone Directory 312-247 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 247-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-247 Chicago, IL First Communications LLC Cook Landline 04/06/2004

Other Series For Prefixes

312-2470###
312-2471###
312-2472###
312-2473###
312-2474###
312-2475###
312-2476###
312-2477###
312-2478###
312-2479###