Conversion table between postal codes and INS codes of Belgian municipalities (nomenclature from 01/01/2025)

Table of conversion between postal codes and INS codes of Belgian municipalities (nomenclature at from 01/01/2025)Method: the processing is based on the comparison of two sets of data, namely the recovery of the dataset of the postal cantons of Bpost and the dataset of data Administrative Units – Municipalities of the General Administration of the Financial documentation from the FPS Finance. Constraints: in most cases, there is a one-to-one relationship between the codes postal codes and the codes of the communes, with the exception of 1040 (Etterbeek), 1050 (Ixelles) and 1804 (Cargovil).For questions techniques regarding this conversion table, you can send an e-mail at [e-mail] More info: https://statbel.fgov.be/en/propos-de-statbel/methodology/classifications/geography