Below is a list of Williamson WV zip codes. For your research we have also included Williamson Area Code, Time Zone, UTC and the local Mingo County FIPS Code. Each Williamson West Virginia zip code has a center Longitude / Latitude point (the Williamson center is -82.275901794434 / 37.672401428223). For your convenience we have also indicated if that zip code in Williamson observes Daylight Savings time.