Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 838

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-838 A Quitman MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-838 0 Quitman MS JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482   2023-07-13   
601-838 4 Quitman MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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