About this number
(925) 284-0057 is a landline based telephone number operated by Pacific Bell and is located in zip code 94549 in the city of Lafayette, California, which is in Contra Costa County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 925, a Network Numbering Exchange (NXX - also known as a prefix) of 284 and a subscriber number of 0057. It has an Operating Company Number (OCN) of 9740. A Common Language Location Identifier (CLLI) of LFYTCA11DS0. As well as a Local access and transport area (LATA) of 722. Zip code 94549 has a population of 26,864 as of the 2010 census.