Google Map - Find list of postal codes with in the given radius from the given point

Can any one p开发者_如何学Golease let me know, i need to get the list of postal codes(UK) from google map API within a particular radius from the given point(postal code).

I need this to be implement it on PHP with Google Map API.

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Can't be done with the Google Maps API I believe unless you have a list of postal codes to check. Take a look at this API.