Prefix overview
Phone numbers in prefix 720-403
This page covers the 720-403 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
720-403
RATE CENTER
DENVER
CARRIER
PEERLESS NETWORK OF COLORADO, LLC - CO
CO
Prefix range
The prefix 720-403 includes numbers from 7204030000 to 7204039999.
This range is associated with the DENVER rate center and was originally assigned to PEERLESS NETWORK OF COLORADO, LLC - CO.
Numbers in this prefix
20 numbers