Prefix overview
Phone numbers in prefix 903-438
This page covers the 903-438 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
903-438
RATE CENTER
SULPHURSPG
CARRIER
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
TX
Prefix range
The prefix 903-438 includes numbers from 9034380000 to 9034389999.
This range is associated with the SULPHURSPG rate center and was originally assigned to FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS.
Numbers in this prefix
20 numbers