| AB | Aberdeen T&RSMD |
| AF | Ashford Chart Leacon TMD |
| AL | Aylesbury TMD |
| AN | Allerton TMD (Liverpool) | Preston 1983 |
| AR | ARC Limited (Whatley) |
| AY | Ayr |
|
| BA | Crewe Basford Hall |
| BC | Birkenhead North CS |
| BD | Birkenhead North T&RSMD |
| BH | Billingham |
| BI | Brighton T&RSMD |
| BK | Bristol Bardon Hill CWMD |
| BM | Bournemouth T&RSMD / EMUD |
| BN | Bounds Green T&RSMD (London) |
| BO | Bo'Ness Station (West Lothian. Bo'Ness & Kinneil Railway) |
| BP | Blackpool North CS |
| BQ | Bury (Greater Manchester. East Lancashire Railway) |
| BR | Bristol Bath Road TMD | Penzance 1988, Manchester Piccadilly 1990/91, Preston 1989 |
| BS | Bescot TMS (Walsall) | Norwich 1982 |
| BT | Bo'ness Station |
| BY | Bletchley TMD |
| BZ | St. Blazey | Penzance 1988 |
|
| CA | Cambridge T&RSMD | Norwich 1982 |
| CC | Clacton EMUD |
| CD | Crewe TMD (D) | Penzance 1988, Manchester Piccadilly 1990/91, Preston 1989, Preston 1983 |
| CE | Crewe TMD (E) | Manchester Piccadilly 1990/91, Preston 1989 |
| CF | Cardiff Canton T&RSMD | Penzance 1988, Manchester Piccadilly 1990/91, Preston 1989 |
| CH | Chester | Manchester Piccadilly 1990/91, Preston 1989 |
| CJ | Clapham Yard CSD (London) |
| CK | Corkerhill SD (Glasgow) |
| CL | Carlisle Upperby CWMD |
| CM | Cranmore (Somerset. Riviera Trains Ltd.) |
| CO | Cranmore (Somerset. Riviera Trains Ltd.) |
| CP | Crewe South CARMD |
| CQ | Crewe (The Railway Age) |
| CQ | Coquelles T&RSMD (Eurotunnel) |
| CS | Carnforth Steamtown (West Coast Railway Co. Ltd.) |
| CU | Carlisle Currock |
|
| DI | Didcot Railway Centr n(Great Western Society) |
| DR | Doncaster TMD |
| DY | Derby Etches Park T&RSMD | Manchester Piccadilly 1990/91, Preston 1989 |
|
| EC | Edinburgh Craigentinny T&RSMD |
| ED | Eastfield (Glasgow) | Inverness 1981 |
| EH | Eastleigh T&RSMD |
| EM | East Ham EMUD (London) |
| EN | Euston Downside CARMD |
| ET | Coquelles (France. Eurotunnel) |
| EU | Eurre Construction Base [SNCF/EWS] |
|
| FB | Ferrybridge (National Power) |
| FD | Crewe DMD |
| FE | Crewe International ETD |
| FF | Bruxelles Forest/Brussel Vorst (Belgium. SNCB/NMBS) |
| FH | Frodingham |
| FK | Ferme Park CSD (London) |
| FR | Fratton (Portsmouth) |
| FS | Freightliner Shunters (Paper Allocation) |
| FY | Merehead (Foster Yeoman) |
|
| GD | Gateshead (Newcastle) | Norwich 1982, Preston 1983, Inverness 1981 |
| GI | Gillingham EMUD |
| GM | Grangemouth SD |
| GT | Grosmont (North Yorkshire Moors Railway) |
| GW | Glasgow Shields TMD | Preston 1989, Preston 1983 |
|
| HA | Haymarket TMD (Edinburgh) | Inverness 1981 |
| HB | Kilmarnock (Hunslet - Barclay) |
| HE | Hornsey TMD (London) |
| HG | Hither Green TMD |
| HM | Healey Mills (Wakefield) | Inverness 1981 |
| HQ | Headquarters (Unallocated) |
| HR | Hall Road EMUD (Merseyside) |
| HT | Heaton T&RSMD (Newcastle) | Manchester Piccadilly 1990/91 |
|
| ID | Immingham Dock |
| IL | Ilford T&RSMD (London) |
| IM | Immingham TMD (S. Humberside, Lincolnshire) | Manchester Piccadilly 1990/91, Preston 1989, Norwich 1982, Preston 1983, Inverness 1981 |
| IS | Inverness T&RSMD | Inverness 1981 |
|
| KD | Carlisle Kingmoor TMD |
| KK | Kirkdale DS |
| KM | Carlisle Kingmoor Yard |
| KN | MoD Kineton |
| KR | Kidderminster |
| KY | Knottingley TMD |
|
| LA | Laira T&RSMD (Plymouth) | Penzance 1988 |
| LB | Loughborough Works |
| LC | Longsight Continental |
| LE | Landore T&RSMD (Swansea) |
| LG | Longsight TMD (E) (Manchester) | Manchester Piccadilly 1990/91 |
| LL | Liverpool Edge Hill CARMD |
| LM | MoD Long Marston |
| LO | Longsight TMD (D) (Manchester) | Manchester Piccadilly 1990/91, Preston 1983 |
| LP? | Le Landy (Paris. SNCF) |
| LR | Leicester SD |
| LT | MoD Longtown |
| LY | Le Landy (Paris. SNCF) |
|
| MA | Manchester Longsight CARMD |
| MD | Merehead (Foster Yeoman) |
| MG | Margam SD |
| MH | Millerhill SD |
| ML | Motherwell TMD | Preston 1989, Inverness 1981 |
| MR | March TMD | Norwich 1982 |
|
| NB | New Brighton EMU Sidings |
| NC | Norwich Crown Point T&RSMD | Manchester Piccadilly 1990/91, Preston 1989 |
| NH | Newton Heath T&RSMD (Manchester) | Manchester Piccadilly 1990/91, Preston 1989, Preston 1983 |
| NL | Neville Hill T&RSMD (Leeds) | Penzance 1988, Manchester Piccadilly 1990/91, Preston 1989, Preston 1983 |
| NP | North Pole International Depot (London) |
| NR | Norwich | Norwich 1982 |
| NY | Grosmont T&RSMD |
|
| OC | Old Oak Common TMD (D) (London) | Penzance 1988 |
| OH | Old Oak Common Heathrow Express T&RSMD (London) | |
| OO | Old Oak Common TMD (HST)(London) |
| OY | Oxley CARMD (Wolverhampton) |
|
| PC | Polmadie CARMD (Glasgow) |
| PI | North Pole International (London) |
| PM | St. Phillips Marsh T&RSMD; (Bristol) | Penzance 1988 |
| PY | MoD Pig's Bay (Shoeburyness) |
| PZ | Penzance T&RSMD |
|
| RE | Ramsgate T&RSMD |
| RG | Reading T&RSMD |
| RL | Ropley |
| RO | Ropley (Mid Hants Railway) |
| RY | Ryde T&RSMD (Isle of Wight) |
|
| SA | Salisbury TMD |
| SD | Sellafield (Direct Rail Services) |
| SE | St. Leonards T&RSMD |
| SF | Stratford TMD (London) | Norwich 1982, Preston 1983 |
| SG | Slade Green T&RSMD |
| SH | Strawberry Hill EMUD (London) |
| SI | Soho SD (Birmingham) |
| SK | Swanwick Junction (Derbyshire. Midland Railway Centre) |
| SL | Stewarts Lane T&RSMD (London) |
| SO | Southport EMU Sidings |
| SP | Springs Branch TMD (Wigan) |
| SU | Selhurst T&RSMD |
| SY | Saltley SD (Birmingham) |
| SZ | Southall T&RSMD |
|
| TE | Thornaby TMD |
| TI | Tinsley TMD (Sheffield) | Preston 1989, Norwich 1982, Preston 1983 |
| TM | Birmingham Railway Museum, Tyseley |
| TO | Toton TMD (Nottinghamshire) | Preston 1989, Norwich 1982 |
| TS | Tyseley TMD (Birmingham) | Norwich 1982 |
| TY | Tyne Yard SD |
|
| WA | Warrington Arpley SD |
| WB | Wembley InterCity CARMD |
| WC | Waterloo EMUD (Waterloo & City Line) |
| WD | East Wimbledon EMUD |
| WH | Whatley (ARC Limited) |
| WI | Wilton |
| WN | Willesden TMD | Manchester Piccadilly 1990/91, Preston 1989, Preston 1983 |
| WQ | Headquarters (EWS) [Unallocated] |
| WR | Wesr Ruislip [London Underground Limited] |
|
| YA | National Railway Museum, York |
| YM | National Railway Museum, York |
|
| ZA | Railway Technical Centre, Derby |
| ZB | RFS (E) Ltd., Doncaster |
| ZC | ADtranz Crewe Works |
| ZD | ADtranz Derby Carriage Works |
| ZE | Alstom Washwood Heath Works |
| ZF | ADtranz Doncaster Works (ex BRML) |
| ZG | Wessex Traincare Ltd., Eastleigh Works (ex BRML) |
| ZH | Railcare Ltd., Springburn Works (ex BRML) [Glasgow] |
| ZI | ADtranz Ilford Works |
| ZK | Hunslet-Barclay Ltd., Kilmarnock Works |
| ZM | GEC-Asltom Metro-Cammell Ltd., Washwood Heath (Birmingham) |
| ZN | Railcare Ltd., Wolverton Works (ex BRML) |
| ZP | Bombardier Prorail, Horbury (Wakefield) |
| ZQ | [Privately owned] | Preston 1989 |
| ZT | ADtranz Trafford Park Wheel Works (Manchester) [Unofficial Code] |
| ZW | Marcroft Engineering, Stoke-on-Trent |
Modern Depots [Siam]
