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Phone Directory 312-338 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 338-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-338 Chicago, IL Ameritech Illinois Cook Landline 04/01/1997

Other Series For Prefixes

312-3380###
312-3381###
312-3382###
312-3383###
312-3384###
312-3385###
312-3386###
312-3387###
312-3388###
312-3389###