Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 442

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-442 A Maywood NE GDISNEASGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-442 1 Maywood NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646   2024-02-16   
308-442 9 Maywood NE GDISNEASGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2021-07-31   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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