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Phone Directory 312-690 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-690 Rclec Unknown 05/06/2014

Other Series For Prefixes

312-6900###
312-6901###
312-6902###
312-6903###
312-6904###
312-6905###
312-6906###
312-6907###
312-6908###
312-6909###