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: WTTWNYUNDS0

Remotes:

Switch Switch name Switch type
ATWPNYAWRS0  ANTWERP  RSC 
AXBANYAXRS0  ALEXANDRIA BAY  RSC 
CPNHNYZPRS0  COPENHAGEN  RSC 
CYTNNYZYRS0  CLAYTON  RSC 
EVMLNYEIRS0  EVANS MILLS  RSC 
HRVLNYHVRS0  HARRISVILLE  RSC 
LFRVNYLERS0  LAFARGEVILLE  RSC 
PHLANYPFRS0  PHILADELPHIA  RSC 
SALKNYQTRS0  STAR LAKE  RSC 
SCHRNYQHRS0  SACKETS HARBOR  RSC 
THRSNYTHRS0  THERESA  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-779 A Watertown NY 9104 VERIZON NEW YORK, INC. 136      
315-782 A Watertown NY 9104 VERIZON NEW YORK, INC. 136      
315-785 A Watertown NY 9104 VERIZON NEW YORK, INC. 136      
315-786 A Watertown NY 9104 VERIZON NEW YORK, INC. 136      
315-788 A Watertown NY 9104 VERIZON NEW YORK, INC. 136      

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

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