Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Ludlow, MA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
413-610 1 CHCPMAFD2MD  792K CHARTER IP ENABLED SERVICES, LLC 126   2009-10-17   
413-610 2 CHCPMAFD2MD  792K CHARTER IP ENABLED SERVICES, LLC 126   2015-05-17   
413-610 3 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-04-06   
413-610 4 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-04-06   
413-610 6 SPFDMAWOX6Z  829J PAETEC ITEL, LLC 126      
413-631 A SPFDMAWOXXY  7135 TC SYSTEMS, INC. 126      
413-631 0 SPFDMAWOXXY  7135 TC SYSTEMS, INC. 126      
413-631 1 SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2022-02-03   
413-631 4 SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2022-02-03   
413-631 6 SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2020-11-30   
413-995 A SPFDMAWOX6Z  829J PAETEC ITEL, LLC 126      
413-995 0 SPFDMAWOX6Z  829J PAETEC ITEL, LLC 126      
413-995 1 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2023-08-09   
413-995 2 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2023-08-09   
413-995 3 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2023-08-09   
413-995 4 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2023-08-09   
413-995 5 SPFDMAOI6MD  145J TERRA NOVA TELECOM INC. 126   2026-03-29   
413-995 6 SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2023-08-09   
413-995 8 SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2021-10-24   
413-995 9 SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2021-10-24   

<< 1 2

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.