Chunghwa Telecom number prefixes
Chunghwa Telecom prefixes in Taiwan: 400, 900, 905, 910, 911, 912, 919, 921, 928, 932, 933, 934…. Number format +886 4 00XX XXXX.
400
- Country
Taiwan +886- Prefixes
- 400, 900, 905, 910, 911, 912, 919, 921, 928, 932, 933, 934, 937, 963, 965, 966, 972, 974, 975, 978, 984, 988
- Number format
- +886 4 00XX XXXX
- Within the country
- 04 00XX XXXX
- Number ranges
- 905, 910, 911, 912, 919, 921, 928, 932, 933, 934, 937, 963, 972, 975, 978, 988, 4000, 9006, 9007, 9008, 9009, 9650, 9651, 9652, 9653, 9654, 9655, 9656, 9657, 9658, 9664, 9665, 9666, 9667, 9740, 9741, 9842, 9843
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.