Level 3 in Barstow, CA
These numbers are located in the city of Barstow 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 92311, 92325, 92398, & 92310 zip codes.