Key Contact Details
| Name of Prison | HMP Cardiff |
| Address: | Knox Road Cardiff CF24 0UG |
| Other contact details: | |
| Web Site: | |
| Email: | |
| Main switchboard: | 02920 923100 |
| At Risk hotline: | |
| Fax: | 02920 923318 |
| Visits booking number: | 029 2092 3327 |
| Visits booking email: | socialvisits.cardiff@hmps.gsi.gov.uk. |
| Visits booking web site: | www.gov.uk/prison-visits |
| Type of Prison: | Male Cat B/C |