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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-721 A Auburn MA AUBNMALGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-721 0 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 1 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 2 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 3 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 4 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 5 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 6 Auburn MA   4536 XO MASSACHUSETTS, INC. 128   2002-11-11   
508-721 7 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 8 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      
508-721 9 Auburn MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.