EPSG.dev

France - mainland - EPSG:7421

Detailed Extent

WKT

HVCOORDSYS["HVC_NTF_Paris_Lambert_Zone_II_and_NGF_IGN69_Height", 
	PROJCS["NTF_Paris_Lambert_Zone_II", 
		GEOGCS["GCS_NTF_Paris", 
			DATUM["D_NTF", 
				SPHEROID["Clarke_1880_IGN", 6378249.2, 293.4660212936265]], 
			PRIMEM["Paris", 2.337229166666667], 
			UNIT["Grad", 0.01570796326794897]], 
		PROJECTION["Lambert_Conformal_Conic"], 
		PARAMETER["False_Easting", 600000.0], 
		PARAMETER["False_Northing", 2200000.0], 
		PARAMETER["Central_Meridian", 0.0], 
		PARAMETER["Standard_Parallel_1", 52.0], 
		PARAMETER["Scale_Factor", 0.99987742], 
		PARAMETER["Latitude_Of_Origin", 52.0], 
		UNIT["Meter", 1.0]], 
	VERTCS["NGF_IGN69", 
		VDATUM["Nivellement_General_de_la_France_IGN69"], 
		PARAMETER["Vertical_Shift", 0.0], 
		PARAMETER["Direction", 1.0], 
		UNIT["Meter", 1.0]]]

WKT2

COMPOUNDCRS["HVC_NTF_Paris_Lambert_Zone_II_and_NGF_IGN69_Height", 
	PROJCRS["NTF_Paris_Lambert_Zone_II", 
		BASEGEOGCRS["GCS_NTF_Paris", 
			DATUM["D_NTF", 
				ELLIPSOID["Clarke_1880_IGN", 6378249.2, 293.4660212936265]], 
			PRIMEM["Paris", 2.337229166666667, 
				ANGLEUNIT["Degree", 0.0174532925199433]], 
			CS[ellipsoidal, 2], 
			AXIS["Latitude (lat)", north, 
				ORDER[1]], 
			AXIS["Longitude (lon)", east, 
				ORDER[2]], 
			ANGLEUNIT["Grad", 0.01570796326794897]], 
		CONVERSION["Lambert_Conformal_Conic", 
			METHOD["Lambert_Conformal_Conic"], 
			PARAMETER["False_Easting", 600000.0], 
			PARAMETER["False_Northing", 2200000.0], 
			PARAMETER["Central_Meridian", 0.0, 
				ANGLEUNIT["Grad", 0.01570796326794897]], 
			PARAMETER["Standard_Parallel_1", 52.0, 
				ANGLEUNIT["Grad", 0.01570796326794897]], 
			PARAMETER["Scale_Factor", 0.99987742], 
			PARAMETER["Latitude_Of_Origin", 52.0, 
				ANGLEUNIT["Grad", 0.01570796326794897]]], 
		CS[Cartesian, 2], 
		AXIS["Easting (X)", east, 
			ORDER[1]], 
		AXIS["Northing (Y)", north, 
			ORDER[2]], 
		LENGTHUNIT["Meter", 1.0]], 
	VERTCRS["NGF_IGN69", 
		VDATUM["Nivellement_General_de_la_France_IGN69"], 
		CS[vertical, 1], 
		AXIS["Gravity-related height (H)", up, 
			LENGTHUNIT["Meter", 1.0]]], 
	ID["EPSG", "7421"]]

Data from @esri/proj-codes

{
  "wkid": 7421,
  "latestWkid": 7421,
  "pcsWkid": 27572,
  "gcsWkid": 4807,
  "vcsWkid": 5720,
  "macro": "PE_HVC_NTF_PARIS_LAMBERT_ZONE_II_AND_NGF_IGN69_HEIGHT",
  "name": "HVC_NTF_Paris_Lambert_Zone_II_and_NGF_IGN69_Height",
  "wkt": "HVCOORDSYS[\"HVC_NTF_Paris_Lambert_Zone_II_and_NGF_IGN69_Height\",PROJCS[\"NTF_Paris_Lambert_Zone_II\",GEOGCS[\"GCS_NTF_Paris\",DATUM[\"D_NTF\",SPHEROID[\"Clarke_1880_IGN\",6378249.2,293.4660212936265]],PRIMEM[\"Paris\",2.337229166666667],UNIT[\"Grad\",0.01570796326794897]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",600000.0],PARAMETER[\"False_Northing\",2200000.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",52.0],PARAMETER[\"Scale_Factor\",0.99987742],PARAMETER[\"Latitude_Of_Origin\",52.0],UNIT[\"Meter\",1.0]],VERTCS[\"NGF_IGN69\",VDATUM[\"Nivellement_General_de_la_France_IGN69\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]]",
  "wkt2": "COMPOUNDCRS[\"HVC_NTF_Paris_Lambert_Zone_II_and_NGF_IGN69_Height\",PROJCRS[\"NTF_Paris_Lambert_Zone_II\",BASEGEOGCRS[\"GCS_NTF_Paris\",DATUM[\"D_NTF\",ELLIPSOID[\"Clarke_1880_IGN\",6378249.2,293.4660212936265]],PRIMEM[\"Paris\",2.337229166666667,ANGLEUNIT[\"Degree\",0.0174532925199433]],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Grad\",0.01570796326794897]],CONVERSION[\"Lambert_Conformal_Conic\",METHOD[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",600000.0],PARAMETER[\"False_Northing\",2200000.0],PARAMETER[\"Central_Meridian\",0.0,ANGLEUNIT[\"Grad\",0.01570796326794897]],PARAMETER[\"Standard_Parallel_1\",52.0,ANGLEUNIT[\"Grad\",0.01570796326794897]],PARAMETER[\"Scale_Factor\",0.99987742],PARAMETER[\"Latitude_Of_Origin\",52.0,ANGLEUNIT[\"Grad\",0.01570796326794897]]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]],VERTCRS[\"NGF_IGN69\",VDATUM[\"Nivellement_General_de_la_France_IGN69\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]]],ID[\"EPSG\",\"7421\"]]",
  "description": "France - mainland",
  "authority": "EPSG",
  "version": "7.9.4(10.0.0)",
  "deprecated": "no",
  "areaname": "France - mainland onshore",
  "extent": {
    "slat": 42.33,
    "nlat": 51.14,
    "llon": -4.87,
    "rlon": 8.23
  }
}