For example https://epsg.io/3881 gives corrects bounds in the description
Area of use: Finland - nominally onshore between 26°30'E and 27°30'E but may be used in adjacent areas if a municipality chooses to use one zone over its whole extent.
However, the map shows another area
The same issue was noticed in gis.stackexchange https://gis.stackexchange.com/questions/441046/difference-between-area-of-use-and-wgs84-bounds-on-epsg-io-which-one-is-releva/441057
For example https://epsg.io/3881 gives corrects bounds in the description
However, the map shows another area
The same issue was noticed in gis.stackexchange https://gis.stackexchange.com/questions/441046/difference-between-area-of-use-and-wgs84-bounds-on-epsg-io-which-one-is-releva/441057