About this number
(909) 603 is a landline based telephone number operated by Verizon California Inc.-Ca (Gt and is located in zip code 91711 in the city of Claremont, 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 909 and Network Numbering Exchange (NXX - also known as a prefix) of 603. It has an Operating Company Number (OCN) of 2319. A Common Language Location Identifier (CLLI) of CLMTCAXF62G. As well as a Local access and transport area (LATA) of 730. Zip code 91711 has a population of 35,705 as of the 2010 census.