Slovakia phone-number intelligence
Country code: +421 · ISO: SK/SVK
Slovakia phone number format
International format (E.164): +421 XXX XXX XXX
Format illustration only — each X stands for a digit; this is not a real subscriber number.
Domestic numbers in Slovakia are often written with a leading trunk prefix (usually 0) — drop it when dialling internationally.
- Free HLR lookup — check whether a Slovakia number is active
- Validate a Slovakia phone number (E.164 parser)
How to call Slovakia
To call Slovakia from abroad, dial your international access prefix — 00 from most of Europe, 011 from the US and Canada, or simply + on any mobile phone — then the country code +421 and the subscriber number.
Example: +421 XXX XXX XXX or 00 421 XXX XXX XXX
Line type breakdown
| Line type | Share |
|---|---|
| mobile | 70.0% |
| voip | 15.0% |
| fixed_line | 15.0% |
Top mobile carriers
| Brand | MCC-MNC |
|---|---|
| — | |
Most-seen OTP services
- Notion
- Telegram
- Fiverr
- Microsoft/Outlook
Frequently asked questions
What is the country code for Slovakia?
The country code for Slovakia is +421. Dial it after + or your international access prefix (00/011) when calling from abroad.
How do I call Slovakia from abroad?
Dial + or your international access prefix (00 in most of Europe, 011 from the US and Canada), then the country code +421 and the subscriber number — for example +421 XXX XXX XXX.
What is the phone number format in Slovakia?
Numbers in Slovakia are written in the international E.164 format starting with +421, for example +421 XXX XXX XXX (a format illustration, not a real number).
Country codes in the same region
- Czechia (+420)
- Liechtenstein (+423)
- North Macedonia (+389)
- Bosnia & Herzegovina (+387)
- Slovenia (+386)
- Croatia (+385)
- Montenegro (+382)
- Serbia (+381)