Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-338 A Warren MA SPFDMAWOXIY  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126      
413-338 0 Warren MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-338 1 Warren MA   792K CHARTER IP ENABLED SERVICES, LLC 126   2006-05-26   
413-338 2 Warren MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-338 3 Warren MA   829J PAETEC ITEL, LLC 126   2006-02-01   
413-338 4 Warren MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-338 5 Warren MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2008-05-08   
413-338 6 Warren MA   990E BANDWIDTH.COM CLEC, LLC - MA 126   2012-05-24   
413-338 7 Warren MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-338 8 Warren MA   892D ONVOY, LLC - MA 126   2012-03-11   
413-338 9 Warren MA   892D ONVOY, LLC - MA 126   2013-01-12   

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

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