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Phone Directory 312-379 Detail

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Illinois Chicago Central

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Example: (312) 379-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-379 Chicago, IL Ovation Communications Of Illinois Cook Landline 04/10/2001

Other Series For Prefixes

312-3790###
312-3791###
312-3792###
312-3793###
312-3794###
312-3795###
312-3796###
312-3797###
312-3798###
312-3799###