Prefix overview
Phone numbers in prefix 503-428
This page covers the 503-428 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
503-428
RATE CENTER
SALEM
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
OR
Prefix range
The prefix 503-428 includes numbers from 5034280000 to 5034289999.
This range is associated with the SALEM rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers