About this number
(657) 859 is a landline based telephone number operated by Cox California Telcom, L.L.C. and is located in zip code 92688 in the city of Rancho Santa Margarita, California, which is in Orange County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 657 and Network Numbering Exchange (NXX - also known as a prefix) of 859. It has an Operating Company Number (OCN) of 7661. A Common Language Location Identifier (CLLI) of RSMGCAHADS0. As well as a Local access and transport area (LATA) of 730. It was first assigned for usage on 06/12/2008. Zip code 92688 has a population of 43,792 as of the 2010 census.