| Service / Station | Telephon number | Operation | |
|---|---|---|---|
| Days | Daytime | ||
| DB Auskunft | + 49 30 2970 | Mon.-Sun. | 00:00-24:00 o'clock |
| Free computerized voice message system | + 49 800-1507090 | Mon.-Sun. | 00:00-24:00 o'clock |
| Streik-Notfallplan Hotline | + 49 800-0996633 | Mon.-Sun. | 00:00-24:00 o'clock |
| 3S-Zentrale Bielefeld | + 49 521 785-1055 | Mon.-Sun. | 00:00-24:00 o'clock |
| Service-Point Bielefeld | + 49 521 785-1530 | Mon.-Sun. | 06:00-21:30 o'clock |
| DB-Reisezentrum Bielefeld | + 49 521 785-1733 | Mon.-Fri. | 06:15-20:00 o'clock |
| Sat. | 08:00-18:30 o'clock | ||
| Sun. | 09:00-20:00 o'clock | ||
| Service-Point Hannover | + 49 511 286-3468 | Mon.-Sun. | 00.00-24.00 o'clock |
| DB-Reisezentrum Hannover | + 49 286-5464 | Mon.-Fri. | 06.00-21.30 o'clock |
| Sat. | 08:00-21:30 o'clock | ||
| Sun. | 08:00-21:30 o'clock | ||
| 3S-Zentrale Kassel | + 49 561 786-1055 | Mon.-Sun. | 00:00-24:00 o'clock |
| DB-Reisezentrum Kassel HBF | not available |
Mon. | 07:00-18:00 o'clock |
| Tues. | 08:00-20:00 o'clock | ||
| Wedn.-Fri. | 08:00-18:00 o'clock | ||
| Sat. | 08:00-20:00 o'clock | ||
| 12:45-15:00 o'clock | |||