Contact Us

You have a suggestion or a question? Don't hesitate to contact us by the way you prefer.

By phone


From a JOIN mobile


Luxemburg from abroad:
+352 671 009 009

or : +352 2889 9009

For roaming information:

+ 352 671 009 800

From Monday to Friday,
from 9:00 to 12:00 and from 13:00 to 18:00.


Closed during the weekends and National Holidays.

Contact form
By mail

POST Telecom S.A

Service clients

1, rue Emile Bian

L- 1235 Luxembourg




Find an "Experience Centre"

Find my location
25, Boulevard F.W. Raiffeisen, L-2411 Luxembourg
Contact Experience Center Manager:

Notre magasin du Centre Commercial Cloche d’Or devient un point de vente co-brandé POST Telecom – JOIN ! Ne vous inquiétez pas, même si l’enseigne POST Telecom est affichée, nos agents seront toujours présents pour répondre à vos questions.


Numéro fixe: +352 288 99 030

Véronique Blau Krebs
+352 671880230

Email: Contact us


Opening hours:
Monday: 9:00-20:00
Tuesday: 9:00-20:00
Wednesday: 9:00-20:00
Thursday: 9:00-20:00
Friday: 9:00-21:00
Saturday: 9:00-19:00
Sunday: Closed
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