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Phone Directory 312-376 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 376-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-376 Chicago, IL Cbeyond Communications Cook Landline 06/11/2004

Other Series For Prefixes

312-3760###
312-3761###
312-3762###
312-3763###
312-3764###
312-3765###
312-3766###
312-3767###
312-3768###
312-3769###