About this number
(949) 331 is a landline based telephone number operated by Mpower Communications Corp - C and is located in zip code 91766 in the city of Pomona, 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 949 and Network Numbering Exchange (NXX - also known as a prefix) of 331. It has an Operating Company Number (OCN) of 8322. A Common Language Location Identifier (CLLI) of POMNCAAADS0. As well as a Local access and transport area (LATA) of 730. Zip code 91766 has a population of 71,599 as of the 2010 census.