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Phone Directory 312-457 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 457-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-457 Chicago, IL American Messaging (am) Cook Cell Number 04/23/2001

Other Series For Prefixes

312-4570###
312-4571###
312-4572###
312-4573###
312-4574###
312-4575###
312-4576###
312-4577###
312-4578###
312-4579###