EPSG systems

EPSG:4269 NAD83

Geographic system in latitude and longitude, in use: North America - NAD83. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4269
NameNAD83
TypeGeographic system
Area of use North America - NAD83
North America - onshore and offshore: Canada - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon. Puerto Rico. United States (USA) - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina
Bounds W 167,65° · S 14,92° · E -40,73° · N 86,45°
Also covers Canada, Puerto Rico, United States, Georgia, Jersey, Mexico, U.S. Virgin Islands, British Virgin Islands
DatumNorth American Datum 1983
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Unit degree (Lat north, Lon east)
Transformation to WGS 84 NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m
ScopeGeodesy.

proj4 definition

+proj=longlat +a=6378137 +rf=298.257222101 +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4269.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Canada

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.