| br | Bristol |
| cl | Central London |
| ea | East Anglia |
| el | East London |
| em | East Midlands |
| es | East Scotland |
| ex | Exeter |
| ma | Manchester |
| mi | Midlands |
| ne | North East |
| nm | North Midlands |
| nt | North Thames |
| nw | North West |
| ny | North Yorkshire |
| ox | Oxfordshire |
| sc | Southern Counties |
| se | South East |
| sm | South Midlands |
| st | South Thames |
| sw | South Wales |
| swt | South West Thames |
| wl | West London |
| wm | West Midlands |
| ws | West Scotland |
| yo | Yorkshire |