Call Code

The Call Code is a single alphanumeric added to the TRUST 10-character train ID, dependent on the train's departure time from its origin. In combination with the first two digits of the STANOX, it ensures that - where a train reporting number may be reused several times in a day for a service from a particular location (e.g. the Stourbridge Town shuttle), that the TRUST ID for each train remains unique.

The values are as follows: