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Slovakia +421
International code · Europe
Key facts
International code+421
International format
+421 XXX XXX XXXMobile prefixes
XXX XXX XXXMobile length9 digits
Domestic trunk
0Number ranges & quality
Number-range and sign-up data for this country is still being verified — we do not publish guesses.
Calling Slovakia from abroad
Dial +421, then the local number with the leading 0 stripped. A Beijing landline 010-1234-5678 is dialed as +421 10 1234 5678.
Dialing within Slovakia
For domestic long distance dial 0 first, then the area code. Local calls and mobiles: dial directly.
Elsewhere in Europe
eSIM providers like Airalo and Holafly charge by the day and work the moment you land. Common picks below:
Affiliate links pending — sign-up under review.