have you been to Esch-sur-Sûre (old commune before 2012) (in Esch-sur-Sûre)? No, not yet? Well, then you should have look at what there is to discover...
Here you are on the page of Lalleng. Lalleng is located in the northeast of the region Esch-sur-Alzette. The region has 18 postal codes in total, they go from 4029 to 4345.