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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-476 A East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 0 East Douglas MA   145J TERRA NOVA TELECOM INC. 128      
508-476 1 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 2 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 3 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 4 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 5 East Douglas MA   792K CHARTER IP ENABLED SERVICES, LLC 128      
508-476 6 East Douglas MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-476 7 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      
508-476 8 East Douglas MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
508-476 9 East Douglas MA EDGLMAMARS1  9102 VERIZON NEW ENGLAND INC. 128      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.