O1 Communications in Redlands, CA
These numbers are located in the city of Redlands part of San Bernardino county. There are a few other subcodes that cover this area as well so take care not to confuse them.
San Bernardino county is situated in California and operates PT (UTC -08:00) time. This number group covers the 92373, 92374, 92375, & 92352 zip codes.