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Phone Directory 312-564 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 564-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-564 Chicago, IL Cimco Communications Cook Landline 11/13/2006

Other Series For Prefixes

312-5640###
312-5641###
312-5642###
312-5643###
312-5644###
312-5645###
312-5646###
312-5647###
312-5648###
312-5649###