OS X (Eastings) 424006 OS Y (Northings) 497822 Nat Grid SE240978 / SE2400697822 Nearest Post Code DL10 7NE Lat (WGS84) N54:22:31 (54.37534099428647) Long (WGS84) W1:37:55 (-1.6319565250249437) Lat,Long (WGS84) 54.37534099428647,-1.6319565250249437 Lat (OSGB36) N54:22:31 (54.37518928618913) Long (OSGB36) W1:37:49 (-1.630405626164813) Lat,Long (OSGB36) 54.37518928618913,-1.630405626164813 what3words tonality.steepest.sank Open Loc/Plus code 9C6W99G9+46M