Prefix overview
Phone numbers in prefix 779-431
This page covers the 779-431 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
779-431
RATE CENTER
DE KALB
CARRIER
T-MOBILE USA, INC.
IL
Prefix range
The prefix 779-431 includes numbers from 7794310000 to 7794319999.
This range is associated with the DE KALB rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers