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Phone Directory 312-887 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 887-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-887 Chicago, IL Ameritech Illinois Cook Landline 07/22/1999

Other Series For Prefixes

312-8870###
312-8871###
312-8872###
312-8873###
312-8874###
312-8875###
312-8876###
312-8877###
312-8878###
312-8879###