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:
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 1.00 and
PM 1.30 to PM 5.00.