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Phone Directory 312-236 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-236 Chicago, IL Ameritech Illinois Cook Landline 11/11/2003

Other Series For Prefixes

312-2360###
312-2361###
312-2362###
312-2363###
312-2364###
312-2365###
312-2366###
312-2367###
312-2368###
312-2369###