JOIN number prefixes
JOIN prefixes in Luxembourg: 671, 678. Number format +352 671 XXX XXX.
671
- Country
Luxembourg +352- Prefixes
- 671, 678
- Number format
- +352 671 XXX XXX
- Within the country
- 671 XXX XXX
A prefix shows which operator a number range was originally assigned to. In many countries subscribers can port their number to another operator, so the prefix does not guarantee the current operator.