| Natural Sciences, College of |
512-471-3285 |
| Naval Reserve Officer Training Corps (NROTC) |
512-471-7649 |
| Neighborhood Longhorns Program |
512-232-4654 |
| Nelson Center for Brand and Demand Analytics |
512-471-1101 |
| Neurology, Department of |
512-495-5555 |
| Neuroscience, Department of |
512- 232-7594 |
| Nonlinear Dynamics, Center for |
512-471-1153 |
| Nuclear and Radiation Engineering Program |
512-232-5380 |
| Nursing Research, Cain Center for |
512-232-4710 |
| Nursing, School of |
512-471-7913 |
| Nutritional Sciences, Department of |
512-471-0337 |
| Occupational Health Program |
512-471-4772 |
| Offshore Technology Research Center |
512-471-3753 |
| OnRamps |
N/A |
| Open Educational Resources and Language Learning, Center for |
512-232-2312 |
| Operations Research and Industrial Engineering |
512-471-1136 |
| Organizational Excellence, Institute for |
512-232-0799 |
| Oscar G. Brockett Center |
N/A |
| Osher Lifelong Learning Institute |
512-615-8706 |
| Parking and Transportation Services |
512-471-7275 |
| Passport Services |
512-471-1211 |
| Payroll Services |
512-471-5271 |
| Pediatrics, Department of |
512-324-0595 |
| Perceptual Systems, Center for |
512-471-5380 |
| Perry-Castaneda Library (PCL) |
512-495-4250 |