A1 Telekom Austria Group

Contact Us


Contact our sales team and get in touch with the right person to answer your questions!
(For wholesale customers only!)

Bitte alle Pflichtfelder ausfüllen (*).
** The personal data that you transmit to us as part of your request will only be used to answer your request, to contact you and for technical administration. Data will not be passed on to third parties. A revocation of the given consent is possible at any time. In this case, your personal data will be deleted immediately. In addition, you can find out about the data stored about you at any time.
 Detailed information on data protection and revocation can be found in our privacy policy.

A1 Telekom Austria Group Wholesale
Lassallestrasse 9
1020 Vienna

Tel. +43 50664 8201 201
Email ws.sales@a1telekom.at

Fault Management

If you have a service problem, you can reach us by phone or by e-mail:

AreaContact details
Voice Services  Tel. +43 1 799 40 00
Email znk.mcsc@a1telekom.at
Data Service Leased Lines Tel. +43 50664 8100 115
Email znk.mcsc@a1telekom.at
Data Services ATM Streamlines Tel. +43 50664 8100 112
Email atm.nmc@a1telekom.at
Satellite Service Tel. +43 50664 8501 561
Email sat@a1telekom.at