Prefix overview
Phone numbers in prefix 720-405
This page covers the 720-405 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
720-405
RATE CENTER
DENVER
CARRIER
INTRADO COMMUNICATIONS, LLC
CO
Prefix range
The prefix 720-405 includes numbers from 7204050000 to 7204059999.
This range is associated with the DENVER rate center and was originally assigned to INTRADO COMMUNICATIONS, LLC.
Numbers in this prefix
20 numbers