Prefix overview
Phone numbers in prefix 628-320
This page covers the 628-320 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
628-320
RATE CENTER
SNFC MT-EV
CARRIER
ONVOY SPECTRUM, LLC
CA
Prefix range
The prefix 628-320 includes numbers from 6283200000 to 6283209999.
This range is associated with the SNFC MT-EV rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers