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Phone Directory 312-229 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-229 Chicago, IL Ameritech Illinois Cook Landline 06/13/2000

Other Series For Prefixes

312-2290###
312-2291###
312-2292###
312-2293###
312-2294###
312-2295###
312-2296###
312-2297###
312-2298###
312-2299###