| Aalbeke | GAL |  |
| Aalst | FLS | |
| Aalst-Kerrebroek | FLSK | |
| Aalst-Noord | FLS | |
| Aalter | FLT | |
| Aarschot | FRST | |
| Aarsele | FAR | |
| Abeele | FAB | |
| Achel | LEL | |
| Acoz | LZ | |
| Acoz-Centre | |
|
| Acren | FXA | |
| Adinkerke | FDK | |
| Agimont-Village | LAG | |
| Aigremont | |
|
| Aiseau | FAO | |
| Aisemont | MAI | |
| Alken | FAK | |
| Alleur | |
|
| Alt-Hoeselt | |
|
| Amay | NM | |
| Amougies | FMM | |
| Ampsin | NA | |
| Andenne | NDN | |
| Andenne-Seilles | NDN | |
| Anderlecht | ANDL | |
| Anderleus | LDL | |
| Anderlues-Chaussée de Charleroi | |
|
| Angleur | MGR | |
| Angre | |
|
| Angreau | |
|
| Anhée | MAE | |
| Anhée-Jonction | |
|
| Ans | ANS | |
| Ans-Est | FNST | |
| Anseremme | MNS | |
| Ansuelle | |
|
| Antoing | FNT | |
| Antwerpen-Berchem | FCV | |
| Antwerpen-Centraal | FN | |
| Antwerpen-Dam | FNDM | |
| Antwerpen-Haven | FNH | |
| Antwerpen-Linkeroever | FLO | |
| Antwerpen-Linkeroever | |
|
| Antwerpen-Luchtbal | LB | |
| Antwerpen-Noord-Perron CHW | FNCHW | |
| Antwerpen-Noord-Perron Mainhub | FNDMH | |
| Antwerpen-Noord-Perron T.C.T. | FNDPT | |
| Antwerpen-Noorderdokken | AND | |
| Antwerpen-Oost | GNS | |
| Antwerpen-Zuid I | FNZD | |
| Antwerpen-Zuid I | FNZD | |
| Antwerpen-Zurenborg | FNZG | |
| Anvaing | FVA | |
| Anzegem | FAN | |
| Anzegem | FSH | |
| Appelterre | MAP | |
| Arcaden | GAR | |
| Archennes | ARC | |
| Ardooie | LRD | |
| Ardooie | LRY | |
| Argenteau | FRG | |
| Arisdonk | |
|
| Arlon | LL | |
| As | FHC | |
| Asse | LSC | |
| Asse | LAS | |
| Assebroek | LYE | |
| Assenede | FAS | |
| Assesse | MAS | |
| Astene | LTS | |
| Astenet | REA | |
| Ath | ATH | |
| Athus | MH | |
| Attenhoven | |
|
| Aubange | MAB | |
| Aubel | LAB | |
| Aublain | LAL | |
| Audregnies | LAD | |
| Auel | |
|
| Autelbas | MTL | |
| Autre-Eglise | LUG | |
| Autrijvestraat | |
|
| Auvelais | FVL | |
| Avekapelle | FAV | |
| Avelgem | FLG | |
| Avennes | LVN | |
| Avernas | LAR | |
| Aye | AYE | |
| Aywaille | MWL | |