Slovakia country code (prefix) or dialing code with an interactive map and travel information to explore Slovakia.
The + initiates an international call, followed by the country code (here 421 for Slovakia). Alternatively, in most countries (with some exceptions, for example, USA, Canada, Australia, and Russia) 00 can also be used to initiate a foreign call.
| +421 ... ....... | International format (recommended, always possible) | |
| 00 421 ... ....... | From most European countries | |
| 011 421 ... ....... | From the USA | |
| 011 421 ... ....... | From Canada | |
| 0011 421 ... ....... | From Australia | |
| 810 421 ... ....... | From Russia, Belarus, Georgia, Kazakhstan, Moldova, Tajikistan, Uzbekistan | |
| 119 421 ... ....... | From Cuba |