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Phone Directory 312-324 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 324-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-324 Chicago, IL Level 3 Communications Cook Landline 05/03/2001

Other Series For Prefixes

312-3240###
312-3241###
312-3242###
312-3243###
312-3244###
312-3245###
312-3246###
312-3247###
312-3248###
312-3249###