About this number
(323) 681-0001 is a landline based telephone number operated by Pacific Bell and is located in zip code 91101 in the city of Pasadena, California, which is in Los Angeles County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 323, a Network Numbering Exchange (NXX - also known as a prefix) of 681 and a subscriber number of 0001. It has an Operating Company Number (OCN) of 9740. A Common Language Location Identifier (CLLI) of PSDNCA11DS1. As well as a Local access and transport area (LATA) of 730. Zip code 91101 has a population of 20,460 as of the 2010 census.