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: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-491 A Grant NE GDISNEASGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646      
308-491 0 Grant NE   6701 AERIAL COMMUNICATIONS, INC. 646   2025-04-30   
308-491 1 Grant NE GDISNENW6MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2022-11-14   
308-491 4 Grant NE   5562 METROPCS, INC. 646   2025-05-07   
308-491 9 Grant NE GDISNEASGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2021-07-31   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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