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Phone Directory 312-265 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 265-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-265 Chicago, IL Access One Cook Landline 11/29/2005

Other Series For Prefixes

312-2650###
312-2651###
312-2652###
312-2653###
312-2654###
312-2655###
312-2656###
312-2657###
312-2658###
312-2659###