NPA-NXX - 720-583
This is the 720-583 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 720-583 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 Regular Landline registered to Onvoy. 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 720-583 subcode.
Looking for a different number? Follow a link below to see our recently active.
858-815-4937 917-725-8108 956-269-6074 406-518-4529 540-356-6757603-216-7848 319-214-1678 202-763-3724 234-337-4601 956-755-8424