+421 country code: Slovakia
+421 is the international calling code of Slovakia. A number that starts with +421 (or 00421) comes from Slovakia.
| Country | 🇸🇰 Slovakia |
|---|---|
| Calling code | +421 (or 00421) |
| ISO | SK |
| Mobile number length | 9 digits after +421 |
| Example (international) | +421 912 123 456 |
| Same number, dialled inside the country | 0912 123 456 |
| To call abroad from there, dial | 00 |
| Time zone | UTC+1 / UTC+2 |
| WhatsApp format | wa.me/421912123456 |
Example numbers are fictional.
How to call a +421 number from abroad
- The exit code+ on a mobile, or 00 from most countries (011 from the US and Canada).
- The country code 421Without the +, if you already dialled 00.
- The numberWithout the leading 0, which is only dialled inside the country: 0912 123 456 becomes +421 912 123 456.
For WhatsApp, write the code and the number with no +, no leading 0 and no spaces: 421912123456. Make a WhatsApp link
A missed call from +421?
If you do not know anyone with a +421 number, do not call back a one-ring missed call. It is a common scam: calling back an international number is charged at a high rate. Block the number, and look it up before you answer if in doubt.
A +421 number for a verification
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Codes close to this one
Common questions
Which country has the code +421?
Slovakia. A number that starts with +421 or 00421 is from Slovakia.
How many digits are in a +421 phone number?
A mobile number has 9 digits after the +421 country code. Example: +421 912 123 456.
How do I call a +421 number from abroad?
Dial + on a mobile (or 00 from most countries, 011 from the US and Canada), then 421, then the number without its leading 0. Example: +421 912 123 456.
Is 00421 the same as +421?
Yes. The + stands for the international exit code of the country you call from (00 in most countries). On a mobile, + works everywhere.
All country calling codes · Sources: ITU-T E.164 for the codes; libphonenumber for number formats and examples.