Prefix overview
Phone numbers in prefix 435-579
This page covers the 435-579 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
435-579
RATE CENTER
TOOELE
CARRIER
XO UTAH, INC.
UT
Prefix range
The prefix 435-579 includes numbers from 4355790000 to 4355799999.
This range is associated with the TOOELE rate center and was originally assigned to XO UTAH, INC..
Numbers in this prefix
20 numbers