Phone
Calling to Slovakia
When calling to Slovakia, use the following structure:
international prefix (+421 or 00421) + area code (see below) + local number
This means that if your partner in Bratislava has a local number 54321725, you dial +421-2-54321725. Look into the following table for other area codes:
| City | Area code |
| Bratislava | 2 |
| Dunajská Streda | 31 |
| Trenčín | 32 |
| Trnava | 33 |
| Senica | 34 |
| Nové Zámky | 35 |
| Levice | 36 |
| Nitra | 37 |
| Topolčany | 38 |
| Žilina | 41 |
| Považská Bystrica | 42 |
| Martin | 43 |
| Liptovský Mikuláš | 44 |
| Zvolen | 45 |
| Prievidza | 46 |
| Lučenec | 47 |
| Banská Bystrica | 48 |
| Prešov | 51 |
| Poprad | 52 |
| Spišská Nová Ves | 53 |
| Bardejov | 54 |
| Košice | 55 |
| Michalovce | 56 |
| Humenné | 57 |
| Rožňava | 58 |
Mobile Phone Operators
At the moment there are three mobile operators in Slovakia: Orange Slovakia, T-Mobile Slovakia and O2 Telefonica.
Orange Slovakia
Orange Slovakia has been active in the Slovak mobile market since 27th of March 2002 (formerly Globtel) and who is majority owned by France Telecom. Orange provides services on 900 MHz and 1800 MHz frequencies. Currently, they also provide an optical connection to the Internet, digital television and fixed telephone line. Their cell phone coverage reaches 98% of the population.
T-Mobile Slovakia
T-Mobile Slovakia (formerly EuroTel Bratislava) provides mostly mobile communication services and data networks. It operates in four networks – the GSM network (in the 900 and 1800 MHz bands), a public data network VDS, analogue NMT network and 3G UMTS network. The GSM network was established in 1997 by the Swedish technology company Ericsson. The use of analogue NMT network in the Slovak Republic dates from 1991. On the 25th of February 2006, as the first mobile operator in Slovakia, T-Mobile launched the commercial operation of UMTS networks. The company’s GSM and NMT mobile networks cover approximately 99% of the Slovak Republic’s 5.4 million population.
O2 Slovakia
Telefónica O2 Slovakia provides mobile telephony and mobile data transmission based on GSM and UMTS. They launched their commercial operations with GSM on 2nd of February 2007; the UMTS network started running from 7th of September 2007. The two networks were built in 2006 by Nokia, a Finnish technology company. O2 covers 88% of the territory in Slovakia. Telefónica O2 Czech Republic is self-owned. Telefónica O2 Slovakia, is 69.4% share owned by Spanish Telefónica S.A.