The desto works like this 700= 7000 7001 701 = 7010 7011 702 = 7020 7021 703A = 7030 703C = 7031 704 = 7040 7041 630 = 6300 6301 Not In Service = 0100 School Bus = 0105 (click blue button to change the route number) Merry Christmas/Happy New Year = 0200