Illinois - PENDING Intrastate Tariff Filing Packages
Effective
Description
Package
11/24/2025
Update Grandfathering Language - Access Lines and trunks, ISDN PRI, Centrex, and Central Office Services
IW-25-0025
11/01/2025
Business RCF, DS1, DS3 and OC-n Point-To-Point grandfathering
IW-25-0023