Type or print TFTR_INF:PHONES.INF for a list of all phone numbers in the TFTR Control Room. For all problems related to networks, computer access, CU-SeeMe, etc., between 9am and 5pm EST, call or e-mail to the Help Desk (helpdesk@pppl.gov). When TFTR is running outside these hours, try calling the HLDAS Operator in the Control Room, x2710.
| name | extension | location |
| Help Desk | x2275 | network and computer problems |
| Computer Center | x3444 | cluster problems |
| CICADA operator | x2680 | CICADA problems |
| HLDAS phone | x2710 | HLDAS operator, Task Force Leader |
| Control Room | x2400 | at end of HLDAS station |
| Physics Operator | x2195 | Physics Operator |