Local Calling Guide

Switch search

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

Switch: CLMASCSU

Switch (link to prefixes) Switch name Company
CLMASCSU78E COLUMBIA SUNSET  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.