NCT 127 is the second sub-unit and Seoul-based unit of the South Korean boy group NCT. Their name is a combination of the acronym for Neo Culture Technology which is their meaning for their unlimited members, and the number 127, which represents the longitudinal coordinate of Seoul.
They made their debut with the EP "NCT #127" and title song "Firetruck" on July 7, 2016. After received good response for their first single, in 2017, NCT 127 released their second EP "Limitless" and third EP "Cherry Bomb". The single "Cherry Bomb" named as one of the best K-pop songs of the year by Billboard. In 2018, NCT 127 released their first length album "Regular - Irregular" with the title song "Reguler". The song also released in English version.