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Phone Directory 312-464 Detail

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Illinois Chicago Central

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Example: (312) 464-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-464 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-4640###
312-4641###
312-4642###
312-4643###
312-4644###
312-4645###
312-4646###
312-4647###
312-4648###
312-4649###