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Phone Directory 312-901 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 901-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-901 Chicago, IL Usa Mobility Wireless Cook Cell Number 02/04/1994

Other Series For Prefixes

312-9010###
312-9011###
312-9012###
312-9013###
312-9014###
312-9015###
312-9016###
312-9017###
312-9018###
312-9019###