Local Calling Guide

Switch search

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

Switch: WTTWWI01

Switch (link to prefixes) Switch name Company
WTTWWI01DS0 WATERTOWN   
WTTWWI01DSA WATERTOWN  9327 WISCONSIN BELL INC 

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.