A list of porter extension numbers can be found below. If your building is not listed please contact the Estates Office Helpdesk who will be able to advise.
| Building | Extension number |
| University Park | |
| Arts Centre | 13645 |
| Life Sciences | 13084 |
| Chemistry | 13083 |
| Sir Clive Granger | 13081 |
| Coates | 13085 |
| Hugh Stewart Hall | 14637 (hall manager) |
| Law & Social Sciences | 13080 |
| Maths | 13082 |
| Pharmacy | 13084 |
| Physics | 07917585429 |
| Pope | 13085 |
| Portland | 14625 |
| Psychology | 13084 |
| Tower | 13089 |
| Trent | 13012 |
| Jubilee Campus | |
| Dearing | 66053 |
| Exchange | 66053 |
| Kings Meadow Campus | |
| Reception/Security | 68333 |
| Sutton Bonington Campus | |
| All buildings | 16351 |
| Other | |
| Derby Medical School | 01332 724600 |
| QMC | 30049 |