NPA-NXX - 720-717

This is the 720-717 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

The 720-717 subcode mainly covers Denver in Denver county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Colorado state. Many of the numbers in this subcode are Cellular (Dedicated) registered to At&t Mobility. We hear they employ a large number of people in the Colorado office.
Recently there have been an increase in reported calls, we've had over 600158 comments across our systems for the 720-717 subcode.

Looking for a different number? Follow a link below to see our recently active.

978-573-1668 606-843-7044 985-267-3712 213-833-8839 814-928-1794
909-823-7567 740-998-5475 325-888-7959 717-836-8142 910-707-7497