Prefix overview
Phone numbers in prefix 503-394
This page covers the 503-394 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
503-394
RATE CENTER
SCIO
CARRIER
SCIO MUTUAL TEL. CO.
OR
Prefix range
The prefix 503-394 includes numbers from 5033940000 to 5033949999.
This range is associated with the SCIO rate center and was originally assigned to SCIO MUTUAL TEL. CO..
Numbers in this prefix
20 numbers