Prefix overview
Phone numbers in prefix 928-421
This page covers the 928-421 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
928-421
RATE CENTER
WINSLOW
CARRIER
BANDWIDTH.COM CLEC, LLC - AZ
AZ
Prefix range
The prefix 928-421 includes numbers from 9284210000 to 9284219999.
This range is associated with the WINSLOW rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - AZ.
Numbers in this prefix
20 numbers