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
508-351 A Northboro MA NRBOMASCRS1  9102 VERIZON NEW ENGLAND INC. 128      
508-351 0 Northboro MA   073H TELNYX LLC 128   2017-04-28   
508-351 1 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 2 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 3 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 4 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 5 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 6 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 7 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 8 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-351 9 Northboro MA   9102 VERIZON NEW ENGLAND INC. 128      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.