Prefix overview
Phone numbers in prefix 915-531
This page covers the 915-531 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
915-531
RATE CENTER
XXXXXXXXXX
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 915-531 includes numbers from 9155310000 to 9155319999.
This range is associated with the XXXXXXXXXX rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers