Local Calling Guide

Switch search

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

Switch: SONMCA12

Switch (link to prefixes) Switch name Company
SONMCA12DS0 SONOMA  9740 PACIFIC BELL 

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.