Prefix overview
Phone numbers in prefix 503-439
This page covers the 503-439 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
503-439
RATE CENTER
BEAVERTON
CARRIER
ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER
OR
Prefix range
The prefix 503-439 includes numbers from 5034390000 to 5034399999.
This range is associated with the BEAVERTON rate center and was originally assigned to ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER.
Numbers in this prefix
20 numbers