Nettleton, MissouriNettleton is an unincorporated community in northern Caldwell County, in the U.S. state of Missouri.HistoryThe town of Nettleton was laid out in 1868. A post office was established in 1872, and remained in operation until 1980. Its original name was Gomer but the name changed by a court order to Nettleton after George H. Nettleton, a railroad man.GeographyNettleton lies on Missouri Route B about halfway between Hamilton and Breckenridge, being about 5 miles away from both. The headwaters of Otter Creek, Lick Fork, and Kettle Creek all surround this relatively high elevation place.