Temporary Unavailability of Our Telephone Service

We would like to inform you that our telephone service will be exceptionally unavailable on October, 26th 2026 from 07:30 a.m. to 10:00 a.m.

During this period, our teams remain available at our customer service offices:

📍 Esch-sur-Alzette

11, rue de Luxembourg

L-4220 Esch-sur-Alzette

📍 Belval Plaza 2

14, avenue du Rock’n’Roll

L-4361 Esch-sur-Alzette

You can also contact us by e-mail at: backoffice@sudstroum.lu

We thank you for your understanding and apologize for any inconvenience caused.

Sudstroum