Operating in cities not served by Major League Baseball or their minor-league affiliates, the NCBL had four franchise teams spread throughout the states of New York and Maine.

Right before the season started, the Watertown team pulled out over what they claimed were unfulfilled promised by the ECBL management.

[4] Three of the four teams that took part in the NCBL's lone season moved to the Empire Professional Baseball League for 2016.

(*) Originally started as the Newburgh Newts, based at Delano-Hitch Stadium in Newburgh, New York, but the team left after three weeks due to lack of sponsorship or fan interest (brought on by poor scheduling).

[5][6] When league ownership had been informed that the check for the first months rent (paid by the ECBL) had in fact bounced, they choose to leave Newburgh.