Local Calling Guide

Switch search

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

Switch: MRKSMSHW

Switch (link to prefixes) Switch name Company
MRKSMSHWRS9 MARKS  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.