T-Mobile in Corpus Christi, TX
These numbers are located in the city of Corpus Christi part of Nueces county. There are a few other subcodes that cover this area as well so take care not to confuse them.
Nueces county is situated in Texas and operates CT (UTC -06:00) time. This number group covers the 78401, 78466, 78419, & 78469 zip codes.