International dialling codes
Slovakia dialling code: +421
Slovakia: everything needed to dial a local number from abroad — code +421, trunk prefix and accepted number lengths.
Short answer
Slovakia has the dialling code +421. The country uses the trunk prefix 0, which is dropped when dialling internationally: dial +421 then the number without that prefix. A valid national number has 6, 7, 9 digits.
Numbering data
| International dialling code | +421 |
|---|---|
| ISO code | SK |
| Trunk prefix | 0 |
| National number length | 6, 7, 9 digits |
| Outgoing international prefix | 00 |
| Sending from this service | not open |
Frequently asked questions
- Slovakia: what is the telephone dialling code?
- Slovakia has the international dialling code +421. It is dialled after the calling country's outgoing prefix — 00 from France and most of Europe. A national number there has 6, 7, 9 digits.
- Slovakia: should the leading zero be dropped?
- Yes. Slovakia uses the trunk prefix 0, reserved for domestic calls. When dialling internationally it is dropped: +421 followed by the number without that prefix.