Pomona is in the (909) area code. However, some nearby cities have other area codes. It is necessary to dial a 1 before an area code.
Most Cal Poly Pomona telephone numbers begin with 869. If you are using a campus telephone to call a number on campus, you need only dial the last four digits (the extension) of the telephone number.
| International Center Front Desk | (909) 869-3267 |
| Emergencies | 9-1-1 |
| University Information | off-campus: (909) 869-7659 on-campus: 0 |
| Nationwide Directory Service | 4-1-1 |
| Health Center | (909) 869-4000 |
| Test Center | (909) 869-3353 |
| Writing Center | (909) 869-5343 |
| Learning Resource Center | (909) 869-3502 |
| University Housing | (909) 869-3307 |
| Foundation Housing Services | (909) 869-4242 |
| Public Safety and Parking Services | (909) 869-3070 |
| Scholastic Insurance Services | (909) 537-1777 |