Pac-West Telecomm in Pico Rivera, CA
These numbers are located in the city of Pico Rivera part of Los Angeles county. There are a few other subcodes that cover this area as well so take care not to confuse them.
Los Angeles county is situated in California and operates PT (UTC -08:00) time. This number group covers the 90606, 90661, 90662, & 90660 zip codes.