About this number
(520) 443 is a wireless/mobile based telephone number operated by T-Mobile Usa, Inc. and is located in zip code 85714 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 and Network Numbering Exchange (NXX - also known as a prefix) of 443. It has an Operating Company Number (OCN) of 6529. A Common Language Location Identifier (CLLI) of TCSMAZNICM0. As well as a Local access and transport area (LATA) of 668. It was first assigned for usage on 06/06/2007. Zip code 85714 has a population of 15,009 as of the 2010 census.