00 - Bulgaria exit code to dial first when calling international
688 - Tuvaluan country code must be dialed next
00 +
688 +
Local Number - Overall dialing code format
World Times:
The time in Bulgaria is now 03:20:22 AM(03:20:22 AM)
The time in Tuvalu is now 12:20:22 PM(12:20:22 PM)