Local Calling Guide

Switch search

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

Switch: DNGNCA01

Switch (link to prefixes) Switch name Company
DNGNCA01DS0 DUNNIGAN   
DNGNCA01DS1 DUNNIGAN  7421 AT&T - LOCAL 

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.