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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-957 A Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 0 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 1 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 2 Hyannis MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-957 3 Hyannis MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-957 4 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 5 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 6 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 7 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 8 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 9 Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.