Prefix overview
Phone numbers in prefix 435-566
This page covers the 435-566 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
435-566
RATE CENTER
TOOELE
CARRIER
FIRSTDIGITAL TELECOM, LLC - UT
UT
Prefix range
The prefix 435-566 includes numbers from 4355660000 to 4355669999.
This range is associated with the TOOELE rate center and was originally assigned to FIRSTDIGITAL TELECOM, LLC - UT.
Numbers in this prefix
20 numbers