About this number
(623) 742 is a landline based telephone number operated by Qwest Corporation and is located in zip code 85020 in the city of Phoenix, Arizona, which is in Maricopa County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 623 and Network Numbering Exchange (NXX - also known as a prefix) of 742. It has an Operating Company Number (OCN) of 9636. A Common Language Location Identifier (CLLI) of NWRVAZMADS0. As well as a Local access and transport area (LATA) of 666. Zip code 85020 has a population of 32,850 as of the 2010 census.