Prefix overview
Phone numbers in prefix 435-204
This page covers the 435-204 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
435-204
RATE CENTER
TOOELE
CARRIER
SPOK, INC.
UT
Prefix range
The prefix 435-204 includes numbers from 4352040000 to 4352049999.
This range is associated with the TOOELE rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers