About this number
(408) 660-0011 is a wireless/mobile based telephone number operated by New Cingular Wireless Pcs, LLC and is located in zip code 94597 in the city of Walnut Creek, 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 408, a Network Numbering Exchange (NXX - also known as a prefix) of 660 and a subscriber number of 0011. It has an Operating Company Number (OCN) of 6010. A Common Language Location Identifier (CLLI) of SNTDCAUJCM9. As well as a Local access and transport area (LATA) of 722. It was first assigned for usage on 08/18/2005. Zip code 94597 has a population of 20,277 as of the 2010 census.