Prefix overview
Phone numbers in prefix 817-237
This page covers the 817-237 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
817-237
RATE CENTER
FORT WORTH
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 817-237 includes numbers from 8172370000 to 8172379999.
This range is associated with the FORT WORTH rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers