You have got a call from phone number beginning with 421 or 00421 or 011421 or +421 and you want to know which country is the country code 421.
Which country has 421 as dialing code?
The country code 421 (421 area code) belongs to:
421 code country is preceded either by 00 ( 00421 ) or 011 ( 011421 ) for calls made from USA and Canada and by the sign plus (+421).
Flag of Slovakia :