About this number
(916) 663 is a landline based telephone number operated by Pacific Bell and is located in zip code 95765 in the city of Rocklin, California, which is in Placer County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 916 and Network Numbering Exchange (NXX - also known as a prefix) of 663. It has an Operating Company Number (OCN) of 9740. A Common Language Location Identifier (CLLI) of RCKLCA01DS0. As well as a Local access and transport area (LATA) of 726. Zip code 95765 has a population of 33,974 as of the 2010 census.