Below is a list of Holcomb MO zip codes. For your research we have also included Holcomb Area Code, Time Zone, UTC and the local Dunklin County FIPS Code. Each Holcomb Missouri zip code has a center Longitude / Latitude point (the Holcomb center is -90.022399902344 / 36.400901794434). For your convenience we have also indicated if that zip code in Holcomb observes Daylight Savings time.