Prefix overview
Phone numbers in prefix 817-221
This page covers the 817-221 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
817-221
RATE CENTER
RENO
CARRIER
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
TX
Prefix range
The prefix 817-221 includes numbers from 8172210000 to 8172219999.
This range is associated with the RENO rate center and was originally assigned to FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS.
Numbers in this prefix
20 numbers