Prefix overview
Phone numbers in prefix 817-303
This page covers the 817-303 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
817-303
RATE CENTER
ARLINGTON
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 817-303 includes numbers from 8173030000 to 8173039999.
This range is associated with the ARLINGTON rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers