Prefix overview
Phone numbers in prefix 503-451
This page covers the 503-451 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
503-451
RATE CENTER
CLACKAMAS
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - OR
OR
Prefix range
The prefix 503-451 includes numbers from 5034510000 to 5034519999.
This range is associated with the CLACKAMAS rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - OR.
Numbers in this prefix
20 numbers