In 2006 Zapp got a UMTS 2100 MHz license.

Zapp Mobile was a company of Telemobil S.A. România, which was a spin-off of Telefónica Romania, the first Romanian mobile service provider (now defunct).

Telefónica Romania acquired a NMT license on 22 March 1992 and the mobile operator called "Telemobil" went live in April 1993.

[1] On 30 June 2009 Zapp Mobile was acquired by OTE[2] and it is in the process of integration in OTE's Romanian mobile unit Cosmote Romania.

The following is a list of known frequencies Zapp Mobile employed in Romania: