Local Calling Guide

Switch search

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

Switch: WASHDCCZ

Switch (link to prefixes) Switch name Company
WASHDCCZ01T WASHINGTON   
WASHDCCZ42W WASHINGTON   
WASHDCCZDS0 WASHINGTON   
WASHDCCZDS1 WASHINGTON  8964 XO D.C., INC. 

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.