About this number
There is 1 OK rating for this phone number. (720) 599-4000 is a landline based telephone number operated by Neutral Tandem-Colorado, LLC - and is located in the city of Denver, Colorado and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 720, a Network Numbering Exchange (NXX - also known as a prefix) of 599 and a subscriber number of 4000. It has an Operating Company Number (OCN) of 026D. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 656. It was first assigned for usage on 05/04/2012.