About this number
(520) 355-4121 is a landline based telephone number operated by Bandwidth.Com Clec, LLC - Az and is located in the city of Tucson, Arizona and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 520, a Network Numbering Exchange (NXX - also known as a prefix) of 355 and a subscriber number of 4121. It has an Operating Company Number (OCN) of 587F. A Common Language Location Identifier (CLLI) of TCSNAZMAXIX. As well as a Local access and transport area (LATA) of 668. It was first assigned for usage on 09/13/2012.