21A | Midland Red West (First) | N | 4 | Timetables (valid 1986–1992) |
| MRW (Warwickshire Area)* | N | 1 | Timetable (valid 2003–2005) | |
| Western National (First) | D | 2 | Vehicle Photographs (taken 2004–2006) | |
| P.M.T. (First) | D | 2 | Vehicle Photographs (taken 2004) | |
Warwickshire Contract Services
Midland Red West and First Midland Red services operated in Warwickshire area under contract to Warwickshire County Council are listed separately to avoid confusion caused when route numbers were sometimes duplicated.
Wildcard Characters _ and % can be used.
For example, searching for Service 37% will show results for Service 37, 37A, 370, 371… etc.