Prefix overview
Phone numbers in prefix 435-523
This page covers the 435-523 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
435-523
RATE CENTER
ST GEORGE
CARRIER
ONVOY, LLC - UT
UT
Prefix range
The prefix 435-523 includes numbers from 4355230000 to 4355239999.
This range is associated with the ST GEORGE rate center and was originally assigned to ONVOY, LLC - UT.
Numbers in this prefix
20 numbers