OS X (Eastings) 390700 OS Y (Northings) 186400 Nat Grid ST907864 / ST9070086400 Nearest Post Code SN16 0JH Lat (WGS84) N51:34:35 (51.57638615018486) Long (WGS84) W2:08:08 (-2.135596558604281) Lat,Long (WGS84) 51.57638615018486,-2.135596558604281 Lat (OSGB36) N51:34:33 (51.57591383467878) Long (OSGB36) W2:08:03 (-2.1342171596411825) Lat,Long (OSGB36) 51.57591383467878,-2.1342171596411825 what3words rely.waltz.postings Open Loc/Plus code 9C3VHVG7+HQ2