About this number
(909) 274 is a landline based telephone number operated by Charter Fiberlink Ca-Cco, LLC and is located in the city of Diamondbar, California and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 909 and Network Numbering Exchange (NXX - also known as a prefix) of 274. It has an Operating Company Number (OCN) of 776C. A Common Language Location Identifier (CLLI) of NRWLCA141MD. As well as a Local access and transport area (LATA) of 730. It was first assigned for usage on 03/27/2009.