Six teams from Alaska, Oregon, Washington and the Yukon Territory competed in the inaugural season of 2000–01.

[1] The league announced three new members to start the 2014–15 season: Cheney Ice Hawks, Tacoma Knights and Wenatchee Wolves.

[2] Organizational problems resulted in the Tacoma Knights being unable to field a team for 2014–15.

[5] While it was not clarified in the official NPHL press release, the most recent league champions, Wenatchee Wolves, had also removed references to the NPHL from their website and appeared to focus their efforts on their youth programs instead.

[6] On May 20, 2016, it was announced that the four remaining teams would join the United States Premier Hockey League's USP3 platform as a new Pacific Division.