Queries should generally be directed to the NRAO Helpdesk, at http://science.nrao.edu/observing/helpdesk.shtml. However, you may e-mail any of the above individuals in Table 7 by addressing your message to first initial last name@nrao.edu. The name is truncated to eight characters. For questions about telescope time allocation, please e-mail schedsoc@nrao.edu. The listed four-digit numbers are sufficient for calls made from within the DSOC. If you are calling from the U.S. or Canada, the 4-digit numbers must be preceded with: 1-575-835 from landlines, or 575-835 with mobile phones. If you are calling from outside the U.S. or Canada, the 4-digit numbers must be preceded with 1-575-835. Rooms refer to the Pete V. Domenici Science Operations Center in Socorro.
| Name | Extension | Room | Responsibilities and/or Expertise |
| Lori Appel | 7300 | 336 | Proposal handling administrator; AD office |
| John Benson | 7399 | 366 | Data archive |
| Walter Brisken | 7133 | 373 | Mark 5, DiFX (incl. pulsars), 4 Gbps |
| Bryan Butler | 7261 | 344 | Head of EVLA Computing |
| Claire Chandler | 7365 | 328 | Deputy Assistant Director for Science |
| Barry Clark (a) | 7268 | 308 | Scheduling officer |
| Mark Claussen (a) | 7284 | 268 | Scheduling officer, Spectral line VLBI |
| Juan Cordova | 7240 | 269 | Media librarian |
| Vivek Dhawan | 7378 | 310 | Millimeter VLBI |
| Bob Dickman | 7300 | 334 | NRAO/NM Assistant Director |
| Steven Durand | 7103 | 178 | Head of Electronics, 4 Gbps |
| Ed Fomalont | 434-296-0232 | CV | Astrometric VLBI |
| Natti Gonzales (b) | 7357 | 246 | NRAO reservationist |
| Miller Goss | 7267 | 332 | Spectral line VLBI |
| Eric Greisen (c) | 7236 | 318 | AIPS head |
| Leonid Kogan (c) | 7383 | 312 | AIPS, astrometric software |
| Dan Mertely | 7144 | 163 | RFI monitoring and mitigation |
| Amy Mioduszewski (c) | 7263 | 208 | AIPS, HSA, VLBI at the EVLA |
| George Moellenbrock | 7406 | 368 | VLBI in CASA |
| Peggy Perley | 7214 | 282 | Deputy Assistant Director for Operations |
| James Robnett | 7226 | 258 | Head of Computing Infrastructure |
| Jon Romney | 7360 | 304 | 4 Gbps Upgrade |
| Michael Rupen | 7248 | 206 | Transient-source VLBI |
| Lorant Sjouwerman | 7332 | 360 | AIPS pipelines, archive imaging |
| Meri Stanley (d) | 7238 | 204 | Lead data analyst |
| VLBA Operator | 7251 | 269 | On-duty VLBA Operator |
| Craig Walker | 7247 | 314 | SCHED, pointing, 4 Gbps |
| Joan Wrobel (a) | 7392 | 340 | Scheduling officer |