Prefix overview
Phone numbers in prefix 830-383
This page covers the 830-383 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
830-383
RATE CENTER
FREDECKSBG
CARRIER
T-MOBILE USA, INC.
TX
Prefix range
The prefix 830-383 includes numbers from 8303830000 to 8303839999.
This range is associated with the FREDECKSBG rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers