valid admincode3 for AT

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

select countrycode,zip,placename,geonameid,admincode1,admincode2,admincode3,geonamesadmcode from zip_code where countrycode in ('AT') and zip_code.geonameid not in (2775000,4020092) and not exists (select 1 from geoname b where b.countrycode=zip_code.countrycode and b.admincode1=zip_code.geonamesadmcode and b.admincode2=zip_code.admincode2 and b.admincode3=zip_code.admincode3 and b.featurecode='ADM3' and b.countrycode in ('AT')) order by countrycode,zip,placename

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

countrycode	zip	placename	geonameid	admincode1	admincode2	admincode3	geonamesadmcode