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Phone Directory 312-701 Detail

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Illinois Chicago Central

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Example: (312) 701-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-701 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-7010###
312-7011###
312-7012###
312-7013###
312-7014###
312-7015###
312-7016###
312-7017###
312-7018###
312-7019###