XNN or xnn may refer to:
* XNN, the IATA code for
Xining Caojiabao International Airport
Xining Caojiapu International Airport , is an airport serving Xining, the capital of Qinghai Province, China. It is located in Huzhu County, Haidong, on the Tibetan Plateau about east of downtown Xining. The airport began operation in 1991. In ...
, Huzhu County, Qinghai, China
* xnn, the ISO 639-3 code for
Northern Kankanaey language
Kankanaey, also spelled Kankana-ey or Kankanaëy, () is a South-Central Cordilleran languages, South-Central Cordilleran language under the Austronesian languages, Austronesian family spoken on the island of Luzon in the Philippines primarily by ...
, Philippines
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