| Trent Woods | town in central Craven County on Trent River S of New Bern. Inc. 1959. |
| Trenton | town and county seat, central Jones County. Courthouse apparently est. at the site in or soon after 1779, when the county was formed. Apparently known as Trent until 1784, when a town to be known as Trenton was authorized to be laid off at the site of the courthouse. Inc. 1874. Took its name from the Trent River, on which it is located. Alt. 28. |
| Trenton Township | central Jones County. |
| Tri-Villages | term used by local residents of Hatteras Island, E Dare County, to refer to Rodanthe, Waves, and Salvo, three communities formerly known collectively as Chicamacomico. |
| Triad | See Piedmont Triad. |
| Triangle | community in E Lincoln County served by post office, 1878-1903. Settled 1902. Named for triangle formed by roads at the site. |
| Triangle | term used for the Raleigh-Durham-Chapel Hill area. See also Research Triangle Park. |
| Triangle Township | SE Durham County. Named for Research Triangle Park, which see. |
| Trickum Creek | rises in N Forsyth County and flows N into Buffalo Creek. |
| Tricorner Knob | on the line separating Haywood and Swain Counties in North Carolina from Sevier County in Tennessee. Alt. more than 6,100. Named for its location at the coincidence of three counties. |