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Phone Directory 312-329 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-329 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-3290###
312-3291###
312-3292###
312-3293###
312-3294###
312-3295###
312-3296###
312-3297###
312-3298###
312-3299###