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.

NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-466 A Northboro MA FRMNMAWADS0  7421 AT&T - LOCAL 128      
508-466 0 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-466 1 Northboro MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128      
508-466 2 Northboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
508-466 3 Northboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-466 4 Northboro MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
508-466 5 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-466 6 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-466 7 Northboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-466 8 Northboro MA   792K CHARTER IP ENABLED SERVICES, LLC 128      
508-466 9 Northboro MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.