TOC Codes
- 'Company name' is the legal name of the company
- 'Business code' is the two-character code used as part of the NCI sign-in to TRUST etc.
- 'Code' is the numeric code used to represent the TOC in TRUST messages
| Company name | Business Code | Code |
|---|---|---|
| Arriva Trains Wales | HL | 71 |
| c2c | HT | 79 |
| CrossCountry | EH | 27 |
| Devon & Cornwall Railways | EN | 34 |
| East Midlands Trains | EM | 28 |
| Eurostar (UK) Ltd | GA | 6 |
| Ffestiniog Railway | XJ | 94 |
| First Capital Connect | EG | 26 |
| First Great Western | EF | 25 |
| First Hull Trains | PF | 55 |
| First Scotrail | HA | 60 |
| First Transpennine Express | EA | 20 |
| Gatwick Express Ltd | HV | 81 |
| Grand Central | EC | 22 |
| Heathrow Connect | EE | 24 |
| Heathrow Express Ltd | HM | 86 |
| Island Lines | HZ | 85 |
| London Midland | EJ | 29 |
| London Overground | EK | 30 |
| LUL Bakerloo Line | XC | 91 |
| LUL District Line – Richmond | XE | 93 |
| LUL District Line – Wimbledon | XB | 90 |
| Merseyrail Electrics 2002 Ltd | HE | 64 |
| National Express East Anglia | EB | 21 |
| National Express East Coast | HB | 61 |
| Nexus | PG | 56 |
| North Yorkshire Moors Railway | PR | 51 |
| Northern Rail | ED | 23 |
| Southeastern | HU | 80 |
| Southern | HW | 82 |
| Stagecoach South Western Trains Ltd | HY | 84 |
| The Chiltern Railway Co. Ltd | HO | 74 |
| Virgin West Coast Trains | HF | 65 |
| West Coast Railway Co. | PA | 50 |
| Wrexham & Shropshire Railway | EI | 32 |