ratboy

Does anyone have experience with using the postcode systems in sites i.e. autotrader where it recognises your postcode and then knows the relationships better them, i.e. neighbouring postcodes and distances.

How do you get this info? Does it have a name?

Thanks.

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Tricky1

Just typed into Google postcode distance finder and looks like a few of these sites are what your after.

Richard

rottensoundz

Hi, I was looking at Actinic Software the other day and they had a postcode add-on here:Actinic Postcode Lookup

it appears to use postcodeanywhere.co.uk

here is the page on their site which offers more info;

UK Address Finder - address and postcode finder web service

Cheers

Tricky1

Postcodeanywhere goes in the checkout, you type in your postcode and it brings up all house numbers and street names in that postcode, the customer clicks on their address and it fills in the remaining boxes.

From how I read it, Ratboy wants a script that will tell you the distance from your postcode to another, like Autotrader as an example, you search for a car and it tells you the distance to it.

ratboy

Cheers guys, that has helped, sometime finding stuff without the right terminology is a pain.

Found this:
PHP postcode distance calculation script

It is to go on a used-cars site to allow searching within distances. Think this will do the trick.

Thanks for the help!

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Skinner

Your looking for Pythagorus, you convert the postcode to Long/Lat Co-Ords then apply pythagorus theorum to get the distance.

It makes my head hurt even thinking about it :P

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liam

If any one wants full uk postcode database if you want with lat/long codes

"UK database of all 1,841,177 UK postcodes together with latitude and longitude, grid references, county, district, ward, NHS codes and regions, Ordnance Survey reference, and date of introduction. The database was last updated on July 8, 2009 and is over 100,000 pages in size."

u can download here:
text_download_from_uploader

devolution

There was a recent news item about Royal Mail and the main postcode data company falling out, and postcodes will might not be able to be updated...
Web activists protest as Royal Mail threatens over postcode lookup service | Technology | guardian.co.uk

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