Prefix overview
Phone numbers in prefix 671-777
This page covers the 671-777 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
671-777
RATE CENTER
AGANA
CARRIER
PTI PACIFICA INC.
GU
Prefix range
The prefix 671-777 includes numbers from 6717770000 to 6717779999.
This range is associated with the AGANA rate center and was originally assigned to PTI PACIFICA INC..
Numbers in this prefix
20 numbers