Local Calling Guide

Switch search

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

Switch: GRSMMO55

Switch (link to prefixes) Switch name Company
GRSMMO55RS2 GRAY SUMMIT  9533 SOUTHWESTERN BELL 

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.