Local Calling Guide

Switch search

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

Switch: ALTWMDAT

Switch (link to prefixes) Switch name Company
ALTWMDATDS0 ALLENTOWN   
ALTWMDATRP0   9212 VERIZON MARYLAND, INC. 

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.