Prefix overview
Phone numbers in prefix 628-203
This page covers the 628-203 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
628-203
RATE CENTER
STNSN-BLNS
CARRIER
ONVOY, LLC - CA
CA
Prefix range
The prefix 628-203 includes numbers from 6282030000 to 6282039999.
This range is associated with the STNSN-BLNS rate center and was originally assigned to ONVOY, LLC - CA.
Numbers in this prefix
20 numbers