Country calling code

Slovakia country code: +421

Q: What is the country code of Slovakia?

The country calling code of Slovakia is +421.

To call Slovakia from another country, dial your exit code, then 421, then the national number without the leading 0. A Slovakia mobile number dialled from abroad looks like +421 912 123 456.

Country code: +421
Exit code (IDD): 00
Trunk prefix: 0
Mobile number length: 9 digits
ISO country code: SK
Time zone: UTC+1 (UTC+2 in summer)
Capital: Bratislava
Currency: EUR

How to call Slovakia

1
Dial the exit code of the country you are in. 011 in the US and Canada, 00 in the UK and most of Europe, 0011 in Australia. On a mobile phone, press and hold 0 to type + instead.
2
Dial 421, the country code of Slovakia.
3
Dial the local number without the leading 0. Numbers written for callers inside Slovakia start with the trunk prefix 0; it is dropped when you call from abroad.

Calling from	You dial
Inside Slovakia	0912 123 456
Any mobile phone	+421 912 123 456
United States or Canada	011 421 912 123 456
UK, Germany, India and most countries	00 421 912 123 456
Australia	0011 421 912 123 456
Japan	010 421 912 123 456

Example with the Slovakia sample number +421912123456.

Calling abroad from Slovakia

Dial the exit code 00, then the country code and the number. To call the US from Slovakia: 00 1 + area code + number.

Slovakia phone number format

Example numbers for each number type, written the way they are dialled inside Slovakia and from abroad. The length counts the digits after the country code.

Type	National format	International format	E.164	Digits
Mobile	0912 123 456	+421 912 123 456	+421912123456	9
Landline	02 212 345 67	+421 2 212 345 67	+421221234567	6, 7, 9
Toll-free	0800 123 456	+421 800 123 456	+421800123456	9
Premium rate	0900 123 456	+421 900 123 456	+421900123456	9
Shared cost	0850 123 456	+421 850 123 456	+421850123456	9
VoIP	0690 123 456	+421 690 123 456	+421690123456	9
Pager	09090 123	+421 9090123	+4219090123	7
UAN (universal access)	0961 234 567	+421 961 234 567	+421961234567	9

Mobile networks in Slovakia

The first digits of a number show which network the number range was assigned to. Numbers can be ported to another network later.

All 39 prefixes →

T-Mobile (Slovak Telekom)

17 prefixes

09010902090309040909109092090930909409095090960909709098+5

Orange

10 prefixes

0905090609070908091509160917091809190945

Telefonica O2

5 prefixes

09400944094709480949

4ka of SWAN

3 prefixes

095009510952

Alternet, s.r.o.

1 prefixes

094312

BSG Estonia

1 prefixes

09430

Country codes of Slovakia's neighbours

🇦🇹 Austria+43 🇨🇿 Czechia+420 🇭🇺 Hungary+36 🇵🇱 Poland+48 🇺🇦 Ukraine+380

Slovakia country code: FAQ

What is the country code of Slovakia?

The country calling code of Slovakia is +421.

How do I call Slovakia from abroad?

Dial your exit code (011 from the US and Canada, 00 from most of Europe, or simply + on a mobile phone), then 421, then the local number without the leading 0. Example: +421 912 123 456.

What is the exit code for international calls from Slovakia?

To call another country from Slovakia, dial 00, then the other country's code and number. On mobile phones you can always use + instead.

How many digits does a Slovakia mobile number have?

Mobile numbers in Slovakia have 9 digits after the country code (without the trunk prefix), for example +421 912 123 456.

Which mobile networks operate in Slovakia?

Mobile number ranges in Slovakia are assigned to T-Mobile (Slovak Telekom), Orange, Telefonica O2, 4ka of SWAN and others. Because numbers can be ported between networks, the prefix shows the network a number was originally issued to. Use the carrier lookup to check a specific number.

How can I check if a Slovakia phone number is valid?

Enter the number in the checker on this page. It checks the length and number ranges of Slovakia offline. To verify numbers in bulk or from your own software, use the numlookupapi phone validation API.

Phone number API

Validate numbers like this in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

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GET https://api.numlookupapi.com/v1/validate/+421912123456

{
  "valid": true,
  "international_format": "+421912123456",
  "country_prefix": "+421",
  "country_code": "SK",
  "line_type": "mobile",
  "carrier": "…",
  "e164_format": "+421912123456",
  "national_format": "0912 123 456"
}