About this number
(310) 321-0044 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 310, a Network Numbering Exchange (NXX - also known as a prefix) of 321 and a subscriber number of 0044. 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.