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Phone Directory 312-714 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 714-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-714 Chicago, IL Ameritech Illinois Cook Landline 10/31/2000

Other Series For Prefixes

312-7140###
312-7141###
312-7142###
312-7143###
312-7144###
312-7145###
312-7146###
312-7147###
312-7148###
312-7149###