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.

Switch: MSSNNYMQDS0

Remotes:

Switch Switch name Switch type
MDRDNYMKRS0  MADRID  RSC 
WDTNNYWYRS0  WADDINGTON  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-705 A Massena NY 9104 VERIZON NEW YORK, INC. 136      
315-764 A Massena NY 9104 VERIZON NEW YORK, INC. 136      
315-769 A Massena NY 9104 VERIZON NEW YORK, INC. 136      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.