Local Calling Guide

Switch search

Search by CLLI code
  • Enter full or partial CLLI code to see all matching switches.

Switch: ADSNNYXA

Switch (link to prefixes) Switch name Company
ADSNNYXA0MD   0071 ARMSTRONG TEL. CO. - NY 
ADSNNYXA1MD   421C ARMSTRONG TELECOMMUNICATIONS, INC. - NY 

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.