| T | Devon |
| TA | Exeter |
| TB | Liverpool (Lancashire until 1974; Warrington until 1981) |
| TC | Bristol (Lancashire until 1974) |
| TD | Manchester (Lancashire until 1974; Bolton until 1981) |
| TE | Manchester (Lancashire until 1974; Bolton until 1981) |
| TF | Reading (Lancashire until 1974) |
| TG | Cardiff |
| TH | Swansea |
| TJ | Liverpool (Lancashire until 1974) |
| TK | Exeter (Plymouth until 1980) |
| TL | Lincoln |
| TM | Luton |
| TN | Newcastle upon Tyne |
| TO | Nottingham |
| TP | Portsmouth |
| TR | Southampton |
| TS | Dundee |
| TT | Exeter |
| TU | Chester |
| TV | Nottingham |
| TW | Chelmsford |
| TX | Cardiff |
| TY | Newcastle upon Tyne |