Prefix overview
Phone numbers in prefix 503-448
This page covers the 503-448 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
503-448
RATE CENTER
AUMSVLTRNR
CARRIER
SCS COMMUNICATIONS AND SECURITY, INC. - OR
OR
Prefix range
The prefix 503-448 includes numbers from 5034480000 to 5034489999.
This range is associated with the AUMSVLTRNR rate center and was originally assigned to SCS COMMUNICATIONS AND SECURITY, INC. - OR.
Numbers in this prefix
20 numbers