Local Calling Guide

Area code/prefix search

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NPA: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-421 A Northbrook West IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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