OS Code-Point® Open is an OpenData postcode-level dataset providing a point location for all geographic postal codes in Great Britain. The gazetteer service allows geocoding and postcode searching against this dataset. It is ideal for a variety of uses including planning A to B journeys, performing analysis, managing assets (such as premises) or utilising postcode lookups. Attributes: Postcode units, eastings, northings, positional quality indicator, NHS® regional health authority code, NHS health authority code, country code, administrative county code, administrative district code and administrative ward code.Data Currency: February 2022

Open Postcode Geo is a postcode dataset and API optimised for geocoding applications. You can use Open Postcode Geo to geocode a dataset, geocode user input, and therefore build a proximity search.

Data is derived from the ONS (Office for National Statistics) postcode database and is free to use, subject to including attributions to ONS, OS (Ordinance Survey) and Royal Mail.

Information is also provided on a range of topics, including education, health, crime, business, etc.

Postcodes can be entered at area, district, sector, and unit level - see Postcode map for the geographical relationship between these.

This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at February 2025 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs so that postcode areas can be opened in MS Excel. To download the zip file click the Download button. The ONSPD relates both current and terminated postcodes in the United Kingdom to a range of current statutory administrative, electoral, health and other area geographies. It also links postcodes to 2001 Census Output Areas (OA) and Super Output Areas (SOA) for England and Wales, 2001 Census OAs and SOAs for Northern Ireland and 2001 Census OAs and Data Zones (DZ) for Scotland. It also contains 2021 Census OAs and SOAs for England, Wales and Northern Ireland and 2022 Census OAs DZs and Intermediate Zones (IZ) for Scotland. It helps support the production of area-based statistics from postcoded data. The ONSPD is produced by ONS Geography, who provide geographic support to the Office for National Statistics (ONS) and geographic services used by other organisations. The ONSPD is issued quarterly. (File size - 234 MB) Please note that this product contains Royal Mail, Gridlink, LPS (Northern Ireland), Ordnance Survey and ONS Intellectual Property Rights.

Open version of Office for National Statistics Postcode Directory (ONSPD) for February 2011. The ONSPD links all current and terminated UK postcodes to a range of geographies in which the postcodes fall. CSV dataset was downloaded from mySociety OS OpenData cache in CSV format. To this a header row giving column names was added. In addtion a version of the dataset in Access database MDB format has been created. The following attribution statement applies to this licence which must be acknowledged when the Data are used: 'Contains National Statistics data (c)Crown Copyright and database right 2011'. Tabular data. This dataset was first accessioned in the EDINA ShareGeo Open repository on 2011-05-10 and migrated to Edinburgh DataShare on 2017-02-21.

This data collection consists of UK postcodes with additional geospace fields including easting, northing, latitude, longitude, positional quality indicator, postcode area, postcode district, postcode sector, outcode, incode. Designed for applications which require a dataset of addresses to be geocoded, or organised in a geographical hierarchy based on postcode. Derived from the ONS Postcode Directory which is licensed under the Open Government Licence(see Related Resources). Updated quarterly. Derived from the ONS Postcode Directory.

This dataset is part of the Geographical repository maintained by Opendatasoft. This dataset contains 'Code-Point Open': free and open postcode location data of Great Britain. They can be used for geographical analysis, simple route planning, asset management and much more.This dataset does not contain postcodes of Northern Ireland.Description of numeric values for the 'Positional Quality Indicator'10: Within the building of the matched address closest to the postcode mean determined automatically by Ordnance Survey20: As above but determined by visual inspection by National Records of Scotland (NRS).30: Approximate to within 50m of the true position (postcodes relating to developing sites may be within 100m of true position).40: The mean of the positions of addresses previously matched in PALF but which have subsequently been deleted or recoded (very rarely used).50:Estimated position based on surrounding postcode coordinates, usually to 100m resolution, but 10m in Scotland60: Postcode sector mean.90: No coordinates available.

1,572,685 polygon records with EASTING,NORTHING and PAREA (postcode area) fields. Individual polygons could be aggregated using PAREA field and entire coverage clipped to a coastline dataset to give a GB Postcode Area dataset. Dataset created by reducing all records in Code-Point Open to a unique point set based on Easting & Northing, allocating the most frequently occurring postcode area at each unique location by sub-stringing unit postcode labels and then creating a thiessen polygon coverage from the pointset in arcinfo workstation. GIS vector data. This dataset was first accessioned in the EDINA ShareGeo Open repository on 2010-09-13 and migrated to Edinburgh DataShare on 2017-02-21.

This User Guide contains information about the ONSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and details of recent changes that have impacted on the data. Various annexes and tables provide more detailed supporting information. (File size - 810 KB)

Code-Point Open is a dataset that contains postcode units, each of which have a precise geographical location. To give you extra analytical power, Code-Point Open includes NHS authority and administrative unit codes. There are approximately 1.7 million postcode units in England, Scotland and Wales. Each postcode unit, such as KY12 8UP or PO14 2RS, contains an average of fifteen adjoining addresses. Northern Ireland postcodes are not available with Code-Point Open. Discover hidden patterns in your data. With Code-Point Open, you can display on a map any information that contains a postcode; for example, customer records. For basic route planning, Code-Point Open will locate your starting and destination postcode, so your software can work out the best roads to take. Save money and benefit from simple licensing terms. Code-Point Open is free to view, download and use for commercial, education and personal purposes.

Postcode area and district polygons derived from Ordnance Survey Open Data using R and GRASS. Method used was creating voronoi polygons from point postcode data and dissolving boundaries based on postcode area and district attributes.Contains OS data © Crown Copyright and database rightFile descriptions:postcode_polygons.gpkg: geopackage file containing two polygon layers: postcode_area and postcode_district.postcode_aggregator.R: R script to extract area and district from full postcode.postcode_aggregator.sh: GRASS/Bash script to convert point postcode data into polygons.postcode_overview.png: image of polygons available.

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This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and details of recent changes that have impacted on the data. Various annexes and tables provide more detailed supporting information. The download includes PDF and ODT versions of the user guide. (File size - 621 KB)

Code-Point Open is a dataset that contains postcode units, each of which have a precise geographical location. There are approximately 1.7 million postcode units in England, Scotland and Wales. Each postcode unit, such as KY12 8UP or PO14 2RS, contains an average of fifteen adjoining addresses. Northern Ireland postcodes are not available with Code-Point Open.

This dataset contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom. The NSPL relates current postcodes to a range of current statutory administrative, electoral, health and other statistical geographies via ‘best-fit’ allocation from the 2011 Census output areas. It supports the production of area based statistics from postcoded data. The NSPL is produced by ONS Geography, which provides geographic support to the Office for National Statistics (ONS) and geographic services used by other organisations.

This User Guide contains information about the 2011 Census NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and details of recent changes that have impacted on the data. Various annexes and tables provide more detailed supporting information. (File size - 645 KB)

This User Guide contains information about the 2021 Census NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and details of recent changes that have impacted on the data. Various annexes and tables provide more detailed supporting information. (File size - 620 KB)

Dataset contains polygons corresponding to the top level (Postcode Area) of the GB Postcode Hierarchy. Thiessen polygons were generated from all records in OS OpenData Code-Point Open. Resulting coverage was dissolved up to postcode area level and then clipped to GB extent of the realm using OS OpenData Boundary-Line. Names of postcode areas were added from Wikipedia. GIS vector data. This dataset was first accessioned in the EDINA ShareGeo Open repository on 2010-07-22 and migrated to Edinburgh DataShare on 2017-02-21.

This dataset is based on the data provided by the Central Bureau voor de Statistiek on different statistical metrics at the postcode level.Only the 4-digit postcodes (PC4) are available, the 5-digit and 6-digit are not freely available from the Dutch authorities.Enhancements- add administrative hierarchy: Gemeenten and Provincie.

The Location at Postcode house number API contains information about the location of addresses, building blocks, areas, cadastral object, Kadastraal subject, Public Space and zip code on City data. More about browsable interfaces, open API documentation and the APIs developed by program data point of Research, Information and Statistics can be found on this overview.

September 2017 OS Code-Point Open for Greater London and London boroughs are downloadable via the links below. OS Code-Point Open provides a National Grid coodinate for a point within each postcode unit (e.g. SE1 2AA) in Great Britain.There are approximately 1.6 million postcode units in the UK and each contains an average of 15 adjoining addresses. It also contains a number of columns of attributes which provide information about each postcode unit, including local authority area codes down to ward level and National Health Service. The geographic extent of the Code-Point dataset below has been limited to the Greater London area as well as extracts for the City of London and the 32 London boroughs individually. In addition to conventional CSV file format, the dataset is also available as ESRI shapefile format (.shp) for ease of use with Geographical Information Systems (GIS) for visualisation and further analysis. Key attributes: postcode unit, easting, northing, NHS health authority code and administrative codes Coverage: Greater London and 33 individual London borough. Format: Comma separated values (.csv) & Esri shapefile (.shp) External link: https://www.ordnancesurvey.co.uk/business-and-government/products/code-point-open.html