There were a number of conferences realigned for the 2017 season. In the South Region the South Atlantic Conference was eliminated and the South Central Conference was split into the Lone Star and Heartland Conferences. In the Midwest Region, the expanded Central Conference was renamed the North Conference and the Great Lakes East and Great Lakes West Conferences were renamed the East and Great Lakes Conferences respectively.
Source: NPSL standings Rules for classification: 1) points; 2) head-to-head; 3) goal differential in head-to-head results; 4) wins; 5) total goal differential; 6) fewest losses; 7) coin toss
Playoffsedit
The format is as follows. All playoff seeding is based on points per game.[29]
West: The top 3 teams qualify from Southwest Conference. The top 2 teams qualify from Golden Gate Conference. The top 2 teams qualify from Northwest Conference. The top remaining team based on points per game in the region qualifies as a wildcard. The 3 conference champions are seeded 1-3. The wildcard team is seeded 8. The remaining teams are seeded 4-7. Each game will be hosted by the higher seed.
Midwest: The top 2 teams from each conference qualify. The 3 conference champions are seeded 1-3. The 3 remaining teams are seeded 4-6. The region quarterfinals will be hosted by the higher seed. The semifinal and final will be a site to be determined.
South: The 4 conference champions will be seeded based on points per game. Each game will be hosted by higher seed.
Heartland: The top 4 teams qualify and each game is hosted by higher seed.
Lone Star: The top 4 teams qualify and each game is hosted by higher seed.
Southeast: The top 3 teams from each division qualify. Each game is hosted by higher seed.
Sunshine: The top team qualifies directly to the region playoffs.
Northeast: The 4 conference champions will be seeded based on points per game. Each game will be hosted by higher seed.
Atlantic Blue: The top 3 teams qualify and each game is hosted by higher seed.
Atlantic White: The top 3 teams qualify and each game is hosted by higher seed.
Keystone: The top 4 teams qualify and each game is hosted by higher seed.
Mid-Atlantic: All 4 teams qualify and are seeded based on the first 6 games of the regular season. Each game is hosted by higher seed.
^"Asheville City SC Joins NPSL". GoalNation. November 14, 2016. Archived from the original on November 25, 2016.
^NPSL (January 25, 2017). "BEACHES FC JOINS THE NPSL". NATIONAL PREMIER SOCCER LEAGUE. Archived from the original on January 29, 2017. Retrieved February 1, 2017.
^"Boca Raton Football Club Joins the NPSL". Archived from the original on February 2, 2017.
^"City of Angels FC Joins The NPSL". Archived from the original on February 2, 2017.
^"Dakota Fusion Futbol Club Joins the NPSL". Archived from the original on February 2, 2017.
^ abc"Minneapolis City Joins the NPSL as Part of Rebranded North Conference". FiftyFive.One. December 14, 2016.
^"Elm City Express Joins the NPSL". Archived from the original on January 10, 2017. Retrieved January 23, 2017.
^"FC Arizona Set To Join NPSL In 2017". SoccerNation. September 26, 2016.
^"Founder & Owner Andrea Gauntlett". Greater Lowell NPSL FC. Retrieved October 23, 2018.
^ abHickling, Kevin (January 17, 2017). "Press Release - Greater Lowell United FC Joins the Champions Soccer League USA". Champions Soccer League USA. Retrieved October 23, 2018.
^"Greater Lowell NPSL FC Launches Rebranding Initiative". National Premier Soccer League. December 15, 2016. Retrieved October 23, 2018.
^"Hartford City FC Joins the NPSL". Archived from the original on February 2, 2017.
^"Inter Nashville FC Brings Soccer To Music City". The First Eleven. November 18, 2016.
^"Kitsap Pumas leaving PDL after eight seasons". Kitsap Sun. November 1, 2016.
^"Sockers FC changes name to join National Premier Soccer League". Odessa American. December 13, 2016.
^"Napa Valley 1839 FC Brand Unveiled". Archived from the original on February 2, 2017.
^"NPSL Expands With Orange County FC". GoalNation. November 16, 2016. Archived from the original on March 5, 2017.
^ ab"Med City FC Joins the NPSL". Archived from the original on February 2, 2017. Retrieved May 11, 2017.
^NPSL (January 23, 2017). "OZARK FC JOINS THE NPSL". NATIONAL PREMIER SOCCER LEAGUE. Archived from the original on February 3, 2017. Retrieved February 1, 2017.
^"Sioux Falls Thunder FC Joins the NPSL". Sioux Falls Thunder FC. December 20, 2016. Archived from the original on December 21, 2016.
^"Spokane Soccer Club Shadow Joins the NPSL". Archived from the original on February 2, 2017.
^"Syracuse FC Joins the NPSL". Archived from the original on February 11, 2017. Retrieved February 9, 2017.
^"TSF FC Joins the NPSL". Archived from the original on February 2, 2017.
^"Tyler Football Club Joins the NPSL". Archived from the original on February 2, 2017.
^NPSL (January 18, 2017). "WEST CHESTER UNITED SOCCER CLUB JOINS THE NPSL". NATIONAL PREMIER SOCCER LEAGUE. Archived from the original on February 3, 2017. Retrieved February 1, 2017.
^"Rochester River Dogz FC Rebrands as Rochester Lancers". Archived from the original on April 10, 2017. Retrieved April 13, 2017.
^"FC Arizona Announces Commercial Properties Incorporated As Official Jersey Sponsor". www.fcarizona.com. Archived from the original on April 13, 2017.
^"NPSL Atlantic Conference - White Division Standings".
^@ChattanoogaFC (July 12, 2017). "TONIGHT'S ATTENDANCE: 4,189 of the best fans in the US of A. Thank you Chattanooga for supporting us. See you next week!" (Tweet) – via Twitter.