Contact us

You can use this contact form for your other requests

Customer Service :

Phone : +352 26 783 787-686
Fax : +352 26 783 787-88
Email : backoffice@sudstroum.lu

TECHNICAL ELECTRICITY SUPPORT
on the telephone number +352 26 783 787-686 only available at the following times:

  • Monday to Friday from 11.30 am to 1 pm and 4.30 pm to 7.30 am
  • Saturdays, Sundays, bank holidays 24 hours a day

TECHNICAL TELECOMMUNICATION SUPPORT
on the telephone number +352 26 783 787-686 outside opening hours.

DPO CONTACT (“DATA PROTECTION DELEGATE”)

Please address your requests to the email address dpo@sudstroum.lu ,for any questions concerning data protection.

ADDRESS HEADQUARTERS:

Sudstroum S.àr.l & Co S.e.c.s.
11, rue de Luxembourg
L-4220 Esch-sur-Alzette

OPENING HOURS of our counters:

Monday to Friday from AM 7.30 to PM 5.00

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ADDRESS BELVAL PLAZA

Belval Plaza ( opposite to Delhaize supermarket)
7-14 Av. du Rock’n’Roll, 4361 Esch-Belval Esch-sur-Alzette

OPENING HOURS

Monday to Friday from AM 9.00 to PM 5.00.

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