| PHONE NUMBER | SCHEDULE | |
| +49 251 202 62129 | M-F | 9:00-17:30 (Berlin Time) | |
| +49 251 202 62129 | M-F | 9:00-17:30 (Berlin time) | |
| +34 93 122 70 99 | M-Th | 8:00-17:00 (Madrid time) F | 8:00-14:00 (Madrid time) |
|
| +33 4 84 39 09 01 | M-F | 9:00-17:30 (Paris time) | |
| 1 800 900699 | M-F | 8:00-16:30 (London time) | |
| +39 050 8075084 | M-F | 8:30-17:00 (Rome time) | |
| +31 20 899 0171 | M-F | 9:00-17:00 (Amsterdam time) | |
| +44 1903 959557 | M-F | 8:00-16:30 (London time) | |
| +41 31 539 19 93 | M-F | 9:00-17:00 (Bern time) | |
 Other countries |
+31 20 245 6280 | M-F | 9:00-17:00 (Amsterdam time) |