| Service | Location | Extension |
| Academic Advising | | |
| Undergraduate | | |
| Pharmacy | SAH 171 | 6275 |
| Education | Sullivan
Hall SB 06 | 1300 |
| Even and Weekend (CPS) | Bent 113 | 6414 |
| College of Professional
Studies | Bent 113 | 6414/6415 |
| St. John's College | SJH 145 | 6271 |
| Summer Session (Visiting
Students) | Newman 106 | 6103 |
| Peter J. Tobin College of Business | Bent 111A | 6212 |
| Graduate | | |
| Pharmacy | SAH 171 | 1412 |
| Arts and Sciences | SJH 135 | 6243 |
| Peter J. Tobin College of Business | Bent 111C | 6417/6478 |
| Education | Sullivan Hall 5th Floor | 6318/6325 |
| General Numbers | | |
| Admission | St. Vincent Hall | 6107/6108,
6403/2000 |
| Bookstore | Mar. Hall | 6247 |
| Bursar | Newman 204 | 6403/2000 |
| Call Center | Utopia Prof. Bldg. | 6403 |
| Career Center | University Center 24 | 6375 |
| Computer Labs | Sul. Hall First Floor | 6672 |
| Counseling | Mar. 130 | 6383 |
| Disabled Student Services | Bent Hall Garden Level | 6568 |
| Emergencies | McDonald Reserve Center | 6281/5252 |
| Employment Off Campus | University Center 24 | 6375 |
| Financial Aid | Newman B-28 | 6403 |
| Freshman Center/General Information | St. Augustine Hall 104 | 1893/6161 |
| Graduation | Marillac SB 23 | 6365 |
| Health Services | DaSilva Hall First Floor | 6360 |
| Housing (Off Campus Housing) | Donovan Hall 216 | 2417 |
| I.D. Cards (Stormcard) | McDonald Reserve Center | 6257 |
| International Student Services | SJH 116 | 6083 |
| Lost and Found | McDonald Reserve Center | 6281 |
Mass Cards/Schedules | Marillac Terrace | 6255 |
| New Student Orientation | Bent Hall Garden Level | 6707 |
| President, St. John's University | Newman 318 | 6301 |
| Registrar | Newman 106 | 1350 |
| Religious Life (Campus Ministry) | Marillac Terrace | 6255 |
| ROTC | McDonald Center | 2742 |
| Special and Opportunity Programs | SJH 106 | 6565 |
| Campus Activities Information | University Center 53 | 5400 |
| Student Life | University Center 50 | 1421 |
| Student Government | University Center 39 | 1587 |
| Transcripts | Newman 106 | 2000 |
| Tutoring | SJH 104 | 1367 |
| Athletics | | |
| General Athletics | Carnesecca Arena 157 | 6217 |
| Ticket Office | Carnesecca Arena 105 | 6211 |
| Sports Information | Carnesecca Arena 157 | 1523 |
| Recreational Sports | Taffner 105 | 5810 |
| Libraries | | |
| Main Library | St. Augustine | 6201 |
| Law Library | Belson Hall | 1580/6651 |