| Baardegem | MRG |  |
| Baasrode-Noord | LDR | |
| Baasrode-Zuid | FRA | |
| Bakenbos | RBKBS | |
| Balen | LNE | |
| Balen-Nete | LNE | |
| Balen-Werkplaatsen | GBW | |
| Balen-Werkplaatsen | GNU | |
| Balen-Wezel | GBA | |
| Balgem-Dorp | FGED | |
| Balgem-Zuid | FGE | |
| Balgerhoeke | FBH | |
| Bambois | |
|
| Bambrugge | BAM | |
| Baranzy | MSG | |
| Barnich | |
|
| Barry-Maulde | FBU | |
| Barse | LBA | |
| Barvaux | LBV | |
| Bas-Oha | NBH | |
| Bas-Oha | NBE | |
| Bascoup | LBC | |
| Basècles | FBC | |
| Basècles-Carrières | FBS | |
| Basse-Laloux | |
|
| Basse-Wavre | GWV | |
| Basse-Wavre | BGWV | |
| Bassenge | GBG | |
| Bassevelde | FBSV | |
| Bassily | FBY | |
| Bastogne-Nord | |
|
| Bastogne-Sud | |
|
| Battice | FAE | |
| Baudour | FDB | |
| Baulers | FSU | |
| Baume-Centre | GT | |
| Beaumont | LBT | |
| Beauraing | MBG | |
| Beauregard | |
|
| Beekstraat | |
|
| Beernem | LBM | |
| Beersel | GBB | |
| Beert-Bellingen | FRBL | |
| Beervelde | FVB | |
| Beez | BEEZ | |
| Begijnendijk | GBD | |
| Beho | GBH | |
| Beignée | BEI | |
| Beisem | |
|
| Beitem | LYT | |
| Bellecourt | |
|
| Bellefontaine-lez-Etalle | MBF | |
| Bellem | FEB | |
| Belmont | |
|
| Beloeil | LBO | |
| Belsele | LLB | |
| Belsele-Dorp | LLB | |
| Belsele-Noord | LLB | |
| Benonchamps | |
|
| Berchem | FHB | |
| Berchem | FCV | |
| Beringen | LBN | |
| Beringen-Mijn | RMI | |
| Berlaar | GBL | |
| Berneau | |
|
| Bernimont | MBN | |
| Bernissart | LBI | |
| Bernissem | |
|
| Bertrée | |
|
| Bertrix | MBX | |
| Berzée | LBZ | |
| Beuzet | MBZ | |
| Beveren | |
|
| Beveren-Leie | |
|
| Beveren-Stavele | |
|
| Beveren-Waas | FBR | |
| Beverlo | MBV | |
| Beverlo-Heide | |
|
| Beyne | FYE | |
| Bienne-lez-Happart | LAP | |
| Bierges (Wavre) | FBRG | |
| Bierges-Walibi | FBRG | |
| Bierghes | FBRG | |
| Bierset-Awans | FTI | |
| Biesme | MBI | |
| Biesme-sous-Thuin | |
|
| Biesmerée | MB | |
| Bièvre | |
|
| Bilzen | FIE | |
| Bilzen | FSL | |
| Binche | LBH | |
| Biron | |
|
| Bissegem | MIM | |
| Biststraat | |
|
| Bizory | |
|
| Blaasveld | |
|
| Blankenberge | FBK | |
| Blanmont | MBL | |
| Blaregnies | |
|
| Blaton | LLT | |
| Bléharies | LLH | |
| Bléret | BLE | |
| Bockstael | FBL | |
| Boechout | GBC | |
| Boekhoute | FBH | |
| Boezinge | FON | |
| Boirs | |
|
| Bois d'Haine | |
|
| Bois de Brieux | FOX | |
| Bois de Lessines | |
|
| Bois de Vallées | |
|
| Bois-de-Nivelles | |
|
| Bois-du-Luc | |
|
| Bois-Noël | |
|
| Bokrijk | FKY | |
| Boksbergheide | |
|
| Bokselaar | |
|
| Bomal | MBM | |
| Bomerée | LEB | |
| Bonne-Espérance | LNB | |
| Booischot | GB | |
| Boom | FMB | |
| Boondaal | BOL | |
| Boortmeerbeek | FOB | |
| Bordet | BOR | |
| Borgerhout | FNBG | |
| Borgloon | FLO | |
| Bormenville | MBO | |
| Born | RMN | |
| Bornem | LOB | |
| Bossuit | LUY | |
| Bost | MBS | |
| Bosvoorde | MBR | |
| Bouffioulx | LCA | |
| Bougnou | |
|
| Bourcy | MBY | |
| Boussu-Bois | |
|
| Boussu-en-Fagne | LBF | |
| Boussu-Haine | FUB | |
| Boussu-Route | |
|
| Bousval | LSB | |
| Bouvignies | |
|
| Bouwel | FOW | |
| Bovigny | FYB | |
| Bracquegnies | LBQ | |
| Braibant | GBI | |
| Braibant | GBI | |
| Braine l'Alleud | FBD | |
| Braine-Alliance | FBA | |
| Braine-le-château | FBI | |
| Braine-Le-Comte | FBC | |
| Braives | LBS | |
| Brandhoek | |
|
| Bressoux | FBX | |
| Brielen | |
|
| Broeckstraat | |
|
| Broekmanstraat | |
|
| Brugelette | FBG | |
| Brugge | FR | |
| Brugge-Sint-Pieters | FRSP | |
| Brussel-Centraal | FBCL | |
| Brussel-Centraal | FBHC | |
| Brussel-Congres | FBCO | |
| Brussel-Kapellekerk | FBCK | |
| Brussel-Leopoldswijk | LX | |
| Brussel-Luxemburg | LX | |
| Brussel-Nationaal-Luchthaven | FBNL | |
| Brussel-Noord | FBN | |
| Brussel-Noord-West | FBNO | |
| Brussel-Schuman | FBMS | |
| Brussel-West | FBOW | |
| Brussel-Zuid | FBM | |
| Brussel-Zuid | FBMZ | |
| Brussels Airport - Zaventem | FBNL | |
| Brusselse Steenweg | |
|
| Buda | BUDA | |
| Budingen | MBD | |
| Buggenhout | FGN | |
| Buizingen | FGU | |
| Büllingen | RMU | |
| Burg-Reuland | |
|
| Burhaimont | |
|
| Burst | FRU | |
| Burtonville | |
|
| Buschhausen | |
|
| Bütgenbach | RMG | |
| Buvrinnes | LBU | |
| Buzenol | |
|
| Buzet | BUZET | |