NKN Usługi Kolejowe is the commercial organization in Poland founded in 2006.
According to PR-model, nkn.com.pl is ranked 2,536,193rd in multilingual Wikipedia, in particular this website is ranked 119,193rd in Polish Wikipedia.
The website is placed before zygmuntbrachmanski.pl and after zwikbialapiska.pl in the BestRef global ranking of the most important sources of Wikipedia.