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Phone Directory 312-393 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 393-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-393 Chicago, IL American Messaging (am) Cook Cell Number 04/23/2001

Other Series For Prefixes

312-3930###
312-3931###
312-3932###
312-3933###
312-3934###
312-3935###
312-3936###
312-3937###
312-3938###
312-3939###