AT&T Southwest in Waxahachie, TX
These numbers are located in the city of Waxahachie part of Ellis county. There are a few other subcodes that cover this area as well so take care not to confuse them.
Ellis county is situated in Texas and operates CT (UTC -06:00) time. This number group covers the 75165, 75167, 75168, & 75168 zip codes.