unique admin name1 for DE

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

select distinct admincode1,adminname1 from zip_code where countrycode in ('DE') and admincode1 in (select admincode1 from (select distinct admincode1,adminname1 from zip_code where countrycode in ('DE')) t group by admincode1 having count(*)>1) order by admincode1

http://www.deutschepost.de/plzsuche/

admincode1	adminname1