(671) 988
Prefix in AGANA, Guam
Prefix Details
About the (671) 988 Prefix
The (671) 988 prefix is assigned to GUAM WIRELESS TELEPHONE COMPANY, LLC and serves the AGANA rate center in Guam. Phone numbers with this prefix are in the (UTC+10) Time Zone and are part of area code 671 which covers Dededo and surrounding areas.