Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Hot Number (12") | T.K. Disco | TKD-131 | US | 1979 | |
| Hot Number / Call It Love / Give Me A Break (12", Promo) | T.K. Disco | TKD-131 | US | 1979 | |
| Hot Number (12") | T.K. Disco | TKR 12.7537 | Netherlands | 1979 | |
| Hot Number (7") | T.K. Records | TKR 7532 | Netherlands | 1979 | |
| Hot Number (7") | Dash | 5050 | US | 1979 | |
| Hot Number (7", Single) | Dash | 5050 | US | 1979 | |
| Hot Numbers (12") | T.K. Disco | TKR 12.7532 | UK | 1979 |