Prefix overview
Phone numbers in prefix 720-328
This page covers the 720-328 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
720-328
RATE CENTER
DENVER
CARRIER
COMCAST IP PHONE, LLC
CO
Prefix range
The prefix 720-328 includes numbers from 7203280000 to 7203289999.
This range is associated with the DENVER rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers