About this number
(520) 437-0040 is a landline based telephone number operated by Xo Arizona, Inc. and is located in zip code 85701 in the city of Tucson, Arizona, which is in Pima County, 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 437 and a subscriber number of 0040. It has an Operating Company Number (OCN) of 4793. A Common Language Location Identifier (CLLI) of TCSNAZMAGT0. As well as a Local access and transport area (LATA) of 668. It was first assigned for usage on 03/31/2006. Zip code 85701 has a population of 4,983 as of the 2010 census.