Geographic Information Systems Stack Exchange is a question and answer site for cartographers, geographers and GIS professionals. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Is there any service to convert a UK postal code to a city name? Does one postal code always map to one city, or to more than one? Is there a free web service to do this conversion for me?

share|improve this question
Postcodes go down to a number of clusters of Addresses. The more urban the closer they are together. – Mapperz Mar 7 '13 at 19:23
10 Downing Street (SW1A 2AA) returns London, UK… – Mapperz Mar 7 '13 at 19:26
up vote 3 down vote accepted

Try using Bing Geocoder, I believe they do UK, so you should be able to look up the coordinates of the zip code and in the results you will see the cities that correspond globally to that zip code...

P.S., Don't use google geocoder for UK, it doesn't work properly from personal experience.

share|improve this answer

Mapsdata and other similar services allow you to load up Postcode and attribute data in .xls or .csv format for free and then view it on a map if that's the end product that you're looking for.

Here's a wiki description of how the postal code system works using the first or first and secondary alpha characters. It's regional specific and not city, ie PH is the administrative district of Perthshire which also contains the city of Perth.

The Ordnance Survey is also a good resource on this.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.