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 gis@economie.fgov.be

More info: https://statbel.fgov.be/en/propos-de-statbel/methodology/classifications/geography