Local Calling Guide

Switch search

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

Switch: COLNNYKS

Switch (link to prefixes) Switch name Company
COLNNYKS3MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 
COLNNYKS4MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.