A B C D E f G H I L N O P Q R S T u V W X
Va Vd vi Vo
Voi In front

In the case of dial-up connections, an area code is placed in front of a local network number to be reached if these are not in the same local area network located. For national destinations, the access code (VAZ) + area code (ONKz) chosen, for international participants VAZ + country code + ON number