+421 is the international dialing code for Slovakia. A number has 4 to 9 digits after the country code.
How to dial a +421 number
- From a mobile phone: dial +421 and then the subscriber number — no exit code and no leading zero.
- From the US or Canada: dial 011 421 and then the number.
- From the UK and most of Europe: dial 00 421 and then the number.
- From Russia: dial 8~10 421 and then the number — or simply save it with +421 and call from a mobile.
Country using +421
- Slovakia — code +421, 4 to 9 digits
Nearby codes
Where to go next
- All country codes — the full list from +1 to +998
- How to call another country — exit codes and dialing rules
- Russian version — the same page in Russian