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Phone Directory 312-327 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 327-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-327 Chicago, IL Xo Illinois Cook Landline 08/20/2000

Other Series For Prefixes

312-3270###
312-3271###
312-3272###
312-3273###
312-3274###
312-3275###
312-3276###
312-3277###
312-3278###
312-3279###