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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-851 A Toomsuba MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-851 0 Toomsuba MS   5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-851 1 Toomsuba MS   992E BANDWIDTH.COM CLEC, LLC - MS 482   2012-03-05   
601-851 2 Toomsuba MS   719E ONVOY, LLC - MS 482   2016-04-04   
601-851 3 Toomsuba MS   719E ONVOY, LLC - MS 482   2016-04-04   
601-851 4 Toomsuba MS   145J TERRA NOVA TELECOM INC. 482   2021-09-23   
601-851 5 Toomsuba MS   516C AT&T CORP. 482   2011-08-06   
601-851 6 Toomsuba MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482   2016-10-22   
601-851 7 Toomsuba MS   508J CENTURYLINK COMMUNICATIONS, LLC 482   2014-04-06   
601-851 8 Toomsuba MS   719E ONVOY, LLC - MS 482   2016-09-03   
601-851 9 Toomsuba MS   719E ONVOY, LLC - MS 482   2016-09-03   

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

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