Slovakia country code (+421)
Complete country code guide for Slovakia: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Country code
Country code
+421
ISO code
SK
Dialing format
Landline format
+421 + [area code] + local number
Mobile format
+421 + [mobile prefix] + subscriber number
Drop the domestic trunk prefix (often 0) when calling internationally.
Full syntax: +421 + [area code or 9xx mobile code] + 6-7 digit subscriber number
Calling rates
Calls to Slovakia start from $0.01/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for SlovakiaArea codes
- 2
Bratislava (capital)
Example: 2 5551 2345
- 55
Kosice
Example: 55 789 1234
- 41
Zilina
Example: 41 562 3456
- 48
Banska Bystrica
Example: 48 412 3456
Common mistakes
- Forgetting to drop the leading 0 from Slovak numbers when dialing internationally.
- Using the wrong area code or mobile prefix for the city you need.
- Dialing too many or too few digits after the country code.
- Calling during local night hours due to time zone confusion.
Why use HelloAirDial for Slovakia?
- Call Slovakia directly from your browser, no SIM or app required.
- Transparent per-minute pricing so you always know what you pay.
- Reliable caller ID so contacts in Slovakia recognize your number.
- High quality routing for clearer audio on long distance calls.
Call Slovakia now
Rates from $0.01/minute.
Try it free - get a 1 minute trial call, no credit card required
Related country codes
Looking for other destinations? Check out these country codes:
View all country codes →FAQs
Can I call Slovakia from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does Slovakia have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often 0) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.