Hello, UNDO speaking
Please feel free to send us a message
Contact us through the form
Already an UNDO member?*
- Yes
- No
Subject*
- Our products and services
- My invoice
- My SIM-card
- Number portability from another operator
- Technical problem
- Other
I have read and agree to Terms of condition and Privacy policy
Contact us
We're at your disposal from Monday until Friday from 8am until 6pm
Phone number
Email