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Phone Directory 312-514 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 514-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-514 Chicago, IL American Messaging (am) Cook Cell Number 04/13/2001

Other Series For Prefixes

312-5140###
312-5141###
312-5142###
312-5143###
312-5144###
312-5145###
312-5146###
312-5147###
312-5148###
312-5149###