About this number
(909) 438 is a landline based telephone number operated by At&T Local and is located in zip code 92401 in the city of San Bernardino, California, which is in San Bernardino County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 909 and Network Numbering Exchange (NXX - also known as a prefix) of 438. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of SNBRCA01DS0. As well as a Local access and transport area (LATA) of 730. Zip code 92401 has a population of 1,932 as of the 2010 census.