Prefix overview
Phone numbers in prefix 423-328
This page covers the 423-328 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
423-328
RATE CENTER
JOHNSON CY
CARRIER
COMCAST IP PHONE, LLC
TN
Prefix range
The prefix 423-328 includes numbers from 4233280000 to 4233289999.
This range is associated with the JOHNSON CY rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers