A Slovakia number gives your business a local presence with country code +421. Inside Slovakia, callers dial the trunk prefix 0 before the area code. From abroad, callers dial +421 and drop the 0.
Number types in Slovakia
- Local numbersGeographic numbers with a city or regional area code. Customers see a familiar local number and call you at local rates.
- National numbersNon-geographic numbers that work nationwide without tying you to one city — ideal for a single number across the whole country.
- Mobile numbersNumbers from mobile ranges, for services that need a mobile-looking number. SMS capability depends on the range.
- Toll-free numbersFree for your callers from most networks. You cover the inbound cost, which lowers the barrier for sales and support calls.
Local numbers by city
- Bratislava 02
- Kosice 055
- Nitra 037
- Presov 051
- Zilina 041
- Banska Bystrica 048
- Trnava 033
- Trencin 032
- Martin 043
- Poprad 052
- Prievidza 046
- Zvolen 045
- Povazska Bystrica 042
- Nove Zamky 035
- Michalovce 056
- Spisska Nova Ves 053
- Levice 036
- Humenne 057
- Bardejov 054
- Liptovsky Mikulas 044
- Lucenec 047
- Topolcany 038
- Dunajska Streda 031
- Senica 034
- Roznava 058
National prefixes
Toll-free prefixes
Slovakia numbering at a glance
| Country code | +421 |
|---|---|
| Trunk prefix | 0 |
| International call prefix | 00 |
| Geographic number length | 6–9 digits after the country code |
| Mobile number length | 9 digits |
| Example landline format | +421 2 212 345 67 |
| Number types in the plan | Local, national, mobile and toll-free |
| Capital | Bratislava |
| Official languages | Slovak, Hungarian |
| Currency | EUR |
| Time zone | Europe/Bratislava |
What you get with every Slovakia number
- Delivery to your SIP trunk, IP-PBX, Microsoft Teams (Direct Routing), softphone or any mobile number
- Time-of-day routing, failover destinations and simultaneous ring
- Real-time call records and usage in the customer portal
- Number porting in and out, where the Slovakia regulator allows it
Requirements for Slovakia numbers
Some Slovakia number ranges require proof of a business or residential address, or company registration documents. You will see exactly what is needed for the number you choose before you pay, and you can upload documents in the portal. How verification works.
Frequently asked questions
Can I get a Slovakia number if my business is based elsewhere?
Often, yes. Many Slovakia ranges are available to international businesses; others need a local address. The requirement is shown on each number before checkout.
How do people abroad call a Slovakia number?
They dial their international access code (or + on a mobile), then 421, then the number without the leading 0. For example: +421 2 212 345 67.
Can I move my existing Slovakia number to you?
In most cases, yes. Contact sales with the number and current provider and we will confirm portability and timing.
Which Slovakia cities can I get a local number in?
We list local area codes for 25 Slovakia cities and regions, including Bratislava, Kosice, Nitra, Presov, Zilina and Banska Bystrica. Live stock is shown on each city page.