Phone prefix +1-671400
Phone prefix: +1671400
This prefix is distributed within the state Guam
The largest city within this prefix is Agana Heights, GU
District: Not defined
The largest organization: Pacific Data Systems
Time Zone: Chamorro
Winter time: UTC+10
Summer time: UTC+11
The largest city within the prefix of +1-671400.... numbers is shown below
Agana Heights, GU.