Local Calling Guide

Switch search

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

Switch: HGPKILHP

Switch (link to prefixes) Switch name Company
HGPKILHPDS0 HIGHLAND PARK   
HGPKILHPRP0 HIGHLAND PARK  9329 ILLINOIS BELL TEL CO 

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.