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Phone Directory 312-927 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 927-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-927 Chicago, IL T-mobile Usa Cook Cell Number 08/21/2002

Other Series For Prefixes

312-9270###
312-9271###
312-9272###
312-9273###
312-9274###
312-9275###
312-9276###
312-9277###
312-9278###
312-9279###