GTA number prefixes
GTA prefixes in Guam: 671480, 671482, 671483, 671485, 671486, 671487, 671488, 671489, 671864, 671867. Number format +1 671-480-XXXX.
671480
- Country
Guam +1- Prefixes
- 671480, 671482, 671483, 671485, 671486, 671487, 671488, 671489, 671864, 671867
- Number format
- +1 671-480-XXXX
- Within the country
- (671) 480-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.