Below is a list of King William County VA zip codes. For your research we have also included King William County Area Code, Time Zone, UTC and the local County FIPS Code. Each King William County Virginia zip code has a center Longitude / Latitude point (the King William County center is -77.059501647949 / 37.674598693848). For your convenience we have also indicated if that zip code in King William County observes Daylight Savings time.