Team | Formed | Division | Changes |
Auckland | 1883 | National Provincial Championship | |
Bay of Plenty | 1911 | National Provincial Championship | Split from South Auckland |
Bush | 1890 - 1971 | | merged with Wairarapa in 1971 |
Central Vikings | 1997-1998 | | short-term merger of Manawatu and Hawke's Bay |
Counties Manukau | 1955 | National Provincial Championship | Formerly South Auckland 1926-1955 |
East Coast | 1922 | Heartland Championship | |
Hawke's Bay | 1884 | National Provincial Championship | |
Horowhenua-Kapiti | 1893 | Heartland Championship | |
King Country | 1922 | Heartland Championship | Formerly part of South Auckland 1909-1921 |
Manawhenua | 1924-1933 | | short-term merger of Horowhenua and Manawatu |
Manawatu | 1886 | National Provincial Championship | |
North Harbour | 1985 | National Provincial Championship | |
Northland | 1920 | National Provincial Championship | Formerly North Auckland 1920-1994 |
Poverty Bay | 1890 | Heartland Championship | |
South Auckland | 1909-1921 | | Split from Auckland |
South Auckland | 1926-1955 | | Split from Auckland, later became Counties |
Taranaki | 1885 | National Provincial Championship | |
Thames Valley | 1921 | Heartland Championship | Formerly part of South Auckland 1909-1921 |
Waikato | 1921 | National Provincial Championship | Formerly part of South Auckland 1909-1921 |
Wairarapa | 1886 - 1971 | | merged with Bush in 1971 |
Wairarapa Bush | 1971 | Heartland Championship | Merger with Wairarapa and Bush |
Wanganui | 1888 | Heartland Championship | |
Wellington | 1879 | National Provincial Championship | |