Local Calling Guide

Switch search

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

Switch: GUFDNYAA

Switch (link to prefixes) Switch name Company
GUFDNYAA2MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 
GUFDNYAA3MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.