vivohub number prefixes
vivohub prefixes in Singapore: 8770, 8771, 8772, 8842, 8843. Number format +65 8770 XXXX.
8770
- Country
Singapore +65- Prefixes
- 8770, 8771, 8772, 8842, 8843
- Number format
- +65 8770 XXXX
- Within the country
- 8770 XXXX
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.