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Phone Directory 312-305 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-305 Northbrook, IL Cellco Partnership DBA Verizon Wireless Cook Cell Number 11/11/2003

Other Series For Prefixes

312-3050###
312-3051###
312-3052###
312-3053###
312-3054###
312-3055###
312-3056###
312-3057###
312-3058###
312-3059###