Prefix overview
Phone numbers in prefix 803-403
This page covers the 803-403 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
803-403
RATE CENTER
COLUMBIA
CARRIER
ONVOY, LLC - SC
SC
Prefix range
The prefix 803-403 includes numbers from 8034030000 to 8034039999.
This range is associated with the COLUMBIA rate center and was originally assigned to ONVOY, LLC - SC.
Numbers in this prefix
20 numbers