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Phone Directory 312-869 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-869 Chicago, IL Ameritech Illinois Cook Landline 10/31/2000

Other Series For Prefixes

312-8690###
312-8691###
312-8692###
312-8693###
312-8694###
312-8695###
312-8696###
312-8697###
312-8698###
312-8699###