| 443 923-9500 | Main Number / Candace Herbster |
| 443 923-9501 | MR1 Control Room Console / Terri Brawner, Kathy Kahl, Ivana Kusevic |
| 443 923-9502 | Heather Hall |
| 443 923-9504 | Joe Gillen |
| 443 923-9505 | FAX |
| 443 923-9510 | Jim Pekar |
| 443 923-9511 | Peter van Zijl |
| 443 923-9513 | Computer Lab - Wall phone Jon Farrell Jun Hua Alan Huang Bennett Landman Cal Lauzon Issel Anne Lim Mona Mohamed Seth Smith |
| 443 923-9517 | Terri Brawner |
| 443 923-9518 | MR2 Control Room / Terri Brawner, Kathy Kahl, Ivana Kusevic |
| 443 923-9523 | Mina Kim |