00 - Congo exit code to dial first when calling international
421 - Slovak country code must be dialed next
00 +
421 +
Local Number - Overall dialing code format
World Times:
The time in Congo is now 14:28:08 PM(02:28:08 PM)
The time in Slovakia is now 15:28:08 PM(03:28:08 PM)
How to call Slovakia from Congo:
World Times:
Mobile Codes: