Below is a list of Sumner TX zip codes. For your research we have also included Sumner Area Code, Time Zone, UTC and the local Lamar County FIPS Code. Each Sumner Texas zip code has a center Longitude / Latitude point (the Sumner center is -95.672996520996 / 33.740398406982). For your convenience we have also indicated if that zip code in Sumner observes Daylight Savings time.