Map of teams in the league during the 1898-99 season
| 0: The National League of Professional Basketball (1898-99) Ver detalle |
| 1: Massachusetts Central Basketball League Ver detalle |
| 2: Eastern League Ver detalle |
| 3: New York State League Ver detalle |
| 4: Central Basketball League Ver detalle |
| 5: Trenton Nationals Ver detalle |
| 6: Millville Glassblowers Ver detalle |
| 7: Camden Electrics Ver detalle |
| 8: Philadelphia Clover Wheelmen Ver detalle |
| 9: Germantown Big Five Ver detalle |
| 10: Hancock A.A., Kensington Ver detalle |
| 11: Chicopee Ducklings Ver detalle |
| 12: Springfield Hustlers Ver detalle |
| 13: Webster Wizards Ver detalle |
| 14: Ware Wonders Ver detalle |
| 15: Holyoke Darlings Ver detalle |
| 16: South Worcester Father Mathews Ver detalle |
| 17: Hudson Hudsons Ver detalle |
| 18: Westfield Specials Ver detalle |
| 19: Millbury Ver detalle |
| 20: Trenton Royal Bengals Ver detalle |
| 21: Camden Skeeters Ver detalle |
| 22: Scranton Miners Ver detalle |
| 23: Wilkes-Barre Barons Ver detalle |
| 24: Reading Bears Ver detalle |
| 25: Coatesville Coates Ver detalle |
| 26: Philadelphia Phillies Ver detalle |
| 27: Harrisburg Giants Ver detalle |
| 28: New York Giants Ver detalle |
| 29: New York Celtics Ver detalle |
| 30: Schenectady Ver detalle |
| 31: Gloversville Ver detalle |
| 32: Cohoes Cohosiers Ver detalle |
| 33: Utica Utes Ver detalle |
| 34: Kingston Ver detalle |
| 35: Amsterdam Ver detalle |
| 36: Troy Trojans Ver detalle |
| 37: Glens Falls Company K Ver detalle |
| 38: Mohawk Indians Ver detalle |
| 39: East Liverpool Potters Ver detalle |
| 40: Greensburg Tubers Ver detalle |
| 41: Pittsburgh South Side Ver detalle |
| 42: Homestead Young Americans Ver detalle |
| 43: Butler Ver detalle |
| 44: McKeesport Majestics Ver detalle |
| 45: Akron A.C. Ver detalle |