[[file:Ordnance_Survey_National_Grid.svg|thumb|420px|Each cell of a regular grid representsis [[Graph labeling|labeled]] by a geocode. The non-global grids were the most used before the 2000s. <br />This ''hierarchical system of local grids'', used since the 1930s as [[Ordnance Survey National Grid|British National Grid]], generates hierarchical geocodes. Each cell subdivides recurrently its area into a new 10x10 grid.]]
{{main|Discrete global grid#Geocoding variants{{!}}DGG geocoding variants}}
