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: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-267 A Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 0 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 1 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 2 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 3 Holden MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2023-12-11   
508-267 5 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 6 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 7 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 8 Holden MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-267 9 Holden MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.