On Call service is provided in Alleman, Ankeny, Bondurant, Easter Lake, Granger, Grimes and northwest Johnston. On Call service picks up passengers at their doors and takes them to destinations within specific zones. Customers may make a reservation by calling 515-283-8136 during DART service hours.
| Service | Description |
| Alleman/Bondurant | Alleman, Altoona, Ankeny and Bondurant |
| Ankeny | City of Ankeny |
Altoona, Des Moines (Southridge Mall and Wal-Mart) and Easter Lake | |
| Granger/Grimes | Ankeny, Granger, Grimes and West Des Moines (Valley West Mall) |
| Grimes/NW Johnston | Grimes and northwest Johnston area, including service the Wal-Mart Park & Ride |