Local Calling Guide

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

Switch: HFESILWL

Switch (link to prefixes) Switch name Company
HFESILWL50T HOFFMAN ESTATES   
HFESILWLDS1 HOFFMAN ESTATES  9329 ILLINOIS BELL TEL CO 

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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