| DH | Durham | NE | Newcastle |
| DL | Darlington | SR | Sunderland |
| HG | Harrogate | TS | Cleveland |
| HU | Hull | WK | Wakefield |
| LS | Leeds | YO | York |
| BB | Blackburn | L | Liverpool |
| BD | Bradford | LA | Lancaster |
| BL | Bolton | M | Manchester |
| CA | Carlisle | OL | Oldham |
| CH | Chester | PR | Preston |
| CW | Crewe | SK | Stockport |
| FY | Blackpool | WA | Warrington |
| HD | Huddersfield | WN | Wigan |
| HX | Halifax |
| CB | Cambridge | LE | Lincoln |
| CO | Colchester | NG | Nottingham |
| DE | Derby | NR | Norwich |
| DN | Doncaster | PE | Peterborough |
| IP | Ipswich | S | Sheffield |
| LE | Leicester |
Local Area Postcodes
| B | Birmingham | ST | Stoke on Trent |
| CV | Coventry | TR | Telford |
| DY | Dudley | WR | Worcester |
| HR | Hereford | WS | Walsall |
| NN | Northampton | WV | Wolverhampton |
| BA | Bath | PL | Plymouth |
| BH | Bournmeouth | SN | Swindon |
| BS | Bristol | SP | Salisbury |
| DT | Dorchester | TA | Taunton |
| EX | Exeter | TQ | Torquay |
| GL | Gloucester | TR | Truro |
| AL | St. Albans | OX | Oxford |
| BN | Brighton | PO | Portsmouth |
| CM | Chelmsford | RG | Reading |
| CT | Canterbury | RH | Redhill |
| GU | Guildford | SG | Stevenage |
| HP | Hemel Hempstead |
SL | Slough |
| LU | Luton | SO | Southampton |
| ME | Medway | SS | Southend onSea |
| MK | MiltonKeynes | TN | Tonbridge |
| BR | Bromley | NW | London NW |
| CR | Croydon | RM | Romford |
| DA | Dartford | SE | London SE |
| E | London E | SM | Sutton |
| EC | London EC | SW | London SW |
| EN | Enfield | TW | Tickenham |
| HA | Harrow | UB | Southall |
| IG | Ilford | W | London W |
| KT | Kingston Upon Thames | WC | London WC |
| N | London N | WD | Watford |