Prefix overview
Phone numbers in prefix 628-688
This page covers the 628-688 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
628-688
RATE CENTER
SNFC CNTRL
CARRIER
FRACTEL, LLC
CA
Prefix range
The prefix 628-688 includes numbers from 6286880000 to 6286889999.
This range is associated with the SNFC CNTRL rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers