Prefix overview
Phone numbers in prefix 671-687
This page covers the 671-687 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
671-687
RATE CENTER
AGANA
CARRIER
GUAM WIRELESS TELEPHONE COMPANY, LLC
GU
Prefix range
The prefix 671-687 includes numbers from 6716870000 to 6716879999.
This range is associated with the AGANA rate center and was originally assigned to GUAM WIRELESS TELEPHONE COMPANY, LLC.
Numbers in this prefix
20 numbers