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: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-251 A Hinsdale MA SPFDMAWOXIY  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126      
413-251 0 Hinsdale MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-251 1 Hinsdale MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2006-01-06   
413-251 2 Hinsdale MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-251 3 Hinsdale MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2004-09-04   
413-251 4 Hinsdale MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-251 5 Hinsdale MA   892D ONVOY, LLC - MA 126   2018-07-23   
413-251 6 Hinsdale MA   892D ONVOY, LLC - MA 126   2013-01-10   
413-251 7 Hinsdale MA   892D ONVOY, LLC - MA 126   2019-04-29   
413-251 8 Hinsdale MA   892D ONVOY, LLC - MA 126   2019-04-29   
413-251 9 Hinsdale MA   990E BANDWIDTH.COM CLEC, LLC - MA 126      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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