Account 2210 Central Office Switching
Account 2220 Operators Systems
Account 2230 Central Office - Transmission
Account 2310 Information Origination/Termination
Account 2410 Cable and Wire Facilities
Ill. Admin. Code tit. 83, § 712.265
Account 2210 Central Office Switching
Account 2220 Operators Systems
Account 2230 Central Office - Transmission
Account 2310 Information Origination/Termination
Account 2410 Cable and Wire Facilities
Ill. Admin. Code tit. 83, § 712.265