Local Calling Guide

Switch search

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

Switch: DLLSTXHW

Switch (link to prefixes) Switch name Company
DLLSTXHW01T DALLAS   
DLLSTXHW6MD   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 
DLLSTXHWDS0 DALLAS  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 
DLLSTXHWDS2 DALLAS   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.