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Phone Directory 312-325 Detail

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Illinois Chicago Central

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Example: (312) 325-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-325 Chicago, IL Ameritech Illinois Cook Landline 06/24/2003

Other Series For Prefixes

312-3250###
312-3251###
312-3252###
312-3253###
312-3254###
312-3255###
312-3256###
312-3257###
312-3258###
312-3259###