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MapIt Voronoi Postcode Boundaries

Overview
API Documentation

Areas overlapping W1S 3EZ

W1B

ID 2793, Approximate postcode district (APD), United Kingdom
W1B 4

ID 13029, Approximate postcode sector (APS), United Kingdom
W1B 4DG

ID 1598887, Approximate postcode unit (APU), United Kingdom
W1S 3DD

ID 1603864, Approximate postcode unit (APU), United Kingdom

MapIt: Voronoi Postcode Boundaries

Point-to-approximate-postcode-boundary mapping. Input a postcode or geographical location and MapIt returns the approximate postcode boundaries (at the unit, sector, district and area level) that contain that point.

The data in this instance of MapIt is derived from NSUL (published by the ONS) and Boundary-Line (published by Ordnance Survey), which are both licensed under the Open Government License version 3. You must abide by the terms of these licenses and include the following copyright notices:

Contains OS data © Crown copyright and database right 2020
Contains Royal Mail data © Royal Mail copyright and database right 2020
Source: Office for National Statistics licensed under the Open Government Licence v.3.0

These boundaries are known to be approximate - they are provided in case they are of interest and use, but are only rough representations of the postcode boundaries due to limitations of the open address data currently available. In other words, there are no guarantees about the quality of this data or its suitability for any use; use it at your own risk.

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mySociety is a registered charity in England and Wales (1076346) and a limited company (03277032). We provide commercial services through our wholly owned subsidiary SocietyWorks Ltd (05798215).

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Areas overlapping W1S 3EZ

W1B

W1B 4

W1B 4DG

W1S 3DD