I live in a town that is right on a Time Zone border (it actually cuts right through the town). The entire town itself is on Central Time, but depending on which cell tower you hit, my iPhone will either display Eastern Time or Central Time, and it's not exactly obvious which one it is unless you're paying close attention.
Is there a way to lock the phone into a specified Time Zone, or at least enable the Time Zone to show alongside the time (e.g.: 16:15 CST)?