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Phone Directory 312-628 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 628-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-628 Chicago, IL Xo Illinois Cook Landline 06/30/2001

Other Series For Prefixes

312-6280###
312-6281###
312-6282###
312-6283###
312-6284###
312-6285###
312-6286###
312-6287###
312-6288###
312-6289###