About this number
(559) 312 is a landline based telephone number operated by At&T Local and is located in zip code 93721 in the city of Fresno, California, which is in Fresno County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 559 and Network Numbering Exchange (NXX - also known as a prefix) of 312. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of FRSNCA016MD. As well as a Local access and transport area (LATA) of 728. Zip code 93721 has a population of 6,959 as of the 2010 census.