Prefix overview
Phone numbers in prefix 385-439
This page covers the 385-439 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
385-439
RATE CENTER
KAYSVILLE
CARRIER
T-MOBILE USA, INC.
UT
Prefix range
The prefix 385-439 includes numbers from 3854390000 to 3854399999.
This range is associated with the KAYSVILLE rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers