US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 737 — STANDARDS OF SERVICE AND CUSTOMER CREDITS FOR ELECTING PROVIDERS AND COMPETITIVE NON-ELECTING PROVIDERSSubpart E737.54083 Ill. Adm. Code 737.540Map MaintenanceLast amended: 2014Year: 2026Length: 21 wordsOfficial source Section 737.540 Map Maintenance Each Local Provider shall maintain and make available for public inspection a map of each exchange served.Previous83 Ill. Adm. Code 737.530