| D | Kent |
| DA | Birmingham (Wolverhampton until 1974) |
| DB | Manchester (Stockport until 1974) |
| DC | Middlesbrough |
| DD | Gloucester |
| DE | Haverfordwest |
| DF | Gloucester |
| DG | Gloucester |
| DH | Dudley (Walsall until 1974) |
| DJ | Liverpool (St Helens until 1974; Warrington until 1981) |
| DK | Manchester (Rochdale until 1974; Bolton until 1981) |
| DL | Isle of Wight |
| DM | Chester (Flintshire until 1974) |
| DN | Leeds (York until 1981) |
| DO | Lincoln (Boston until 1981) |
| DP | Reading |
| DR | Exeter (Plymouth until 1980) |
| DS | Glasgow (Peeblesshire until 1974) |
| DT | Sheffield (Doncaster until 1974) |
| DU | Coventry |
| DV | Exeter |
| DW | Cardiff (Newport until 1974) |
| DX | Ipswich |
| DY | Brighton (Hastings until 1980) |