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Phone Directory 312-867 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-867 Chicago, IL Ameritech Illinois Cook Landline 01/10/1996

Other Series For Prefixes

312-8670###
312-8671###
312-8672###
312-8673###
312-8674###
312-8675###
312-8676###
312-8677###
312-8678###
312-8679###