same postalcodes must not be far away AT

number of errors=0
number of warnings=0
country=AT
Group=chkGrpPostalCode

select a.countrycode, a.zip, a.placename,b.placename, a.estlonglat<->b.estlonglat, a.admincode1,a.admincode2 from zip_code a, zip_code b where a.countrycode=b.countrycode and a.zip=b.zip and a.estlonglat<->b.estlonglat>1 and a.placename

http://www.post.at/en/post_subsite_postleitzahlfinder.php?

countrycode	zip	placename	placename	?column?	admincode1	admincode2