Prior to the start of the 2009–10 season, the league voted to disallow any team playing AAA hockey from competing in the NPHL playoffs.

[13] In the 2024–25 season, the High Prairie Regals returned from a five-year hiatus, and the Fox Creek Knights joined as an expansion team.

[14] The Spirit River Rangers won the 2023–24 league championship Campbell Cup after defeating the Falher Pirates in game 7 of the finals.

[17] Theoren Fleury, Todd Holt, Sasha Lakovic and Dody Wood also played for the Horse Lake Thunder.

[18][19] Columbus Blue Jackets president and former New York Rangers goalie John Davidson played one season with the High Prairie Regals in the early 1970s.