Local Calling Guide

Switch search

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

Switch: GRISMNXG

Switch (link to prefixes) Switch name Company
GRISMNXGRS3 GREEN ISLE  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.