Prefix overview
Phone numbers in prefix 509-435
This page covers the 509-435 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
509-435
RATE CENTER
SPOKANE
CARRIER
XO WASHINGTON, INC.
WA
Prefix range
The prefix 509-435 includes numbers from 5094350000 to 5094359999.
This range is associated with the SPOKANE rate center and was originally assigned to XO WASHINGTON, INC..
Numbers in this prefix
20 numbers