Prefix overview
Phone numbers in prefix 830-457
This page covers the 830-457 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
830-457
RATE CENTER
BIG WELLS
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 830-457 includes numbers from 8304570000 to 8304579999.
This range is associated with the BIG WELLS rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers