| Code | Name | Region |
|---|---|---|
| BELPO | Langemark-poelkapelle | VWV |
| BELGB | Langerbrugge | VOV |
| BELGO | Langerlo | VLI |
| BELNK | Lanklaar | VLI |
| BELQA | Lanquesaint | WHT |
| BELPI | Laplaigne | WHT |
| BELRM | Larum | VAN |
| BELAS | Lasne | WBR |
| BELSN | Lasne-chapelle-saint-lambert | WBR |
| BELTI | Latinne | WLG |
| BELTO | Latour | WLX |
| BELAW | Lauwe | VWV |
| BELVA | Lavacherie | WLX |
| BEROU | Le Roeulx | WHT |
| BELEB | Lebbeke | VOV |
| BELED | Lede | VOV |
| BELRG | Ledeberg | VOV |
| BEGLA | La Glanerie | WHT |
| BELHL | La Hulpe | WBR |
| BELLO | La Louviere | WHT |
| BELPT | La Plante | WNA |
| BERAR | La Roche-en-ardenne | WLX |
| BELDA | Laakdal | VAN |
| BEYZO | Laakdal | VLI |
| BELAA | Laarne | VOV |
| BEBSI | Labuissiere | WHT |
| BELCU | Lacuisine | WLX |
| BELUZ | Ladeuze | WHT |
| BELAM | Lamain | WHT |
| BELBM | Lambermont | WLG |
| BELBT | Lambusart | WHT |
| BELAN | Lanaken | VLI |
| BELNY | Lanaye (ternaaien) | WLG |
| BELGM | Landegem | VOV |
| BELDS | Landelies | WHT |
| BELAD | Landen | VBR |
| BELNE | Laneffe | WNA |
| BEKON | Kontich | VAN |
| BEKOI | Kooigem | VWV |
| BEKOO | Koolskamp | VWV |
| BEKOR | Korbeek-lo | |
| BEKTK | Kortemark | VWV |
| BEKNA | Kortenaken | VBR |
| BEKTB | Kortenberg | VBR |
| BEKTM | Kortessem | VLI |
| BEKJK | Kortrijk | VWV |
| BEKZN | Kozen | VLI |
| BEKRA | Kraainem | VBR |
| BEKBE | Krombeke | VWV |
| BEKEK | Kruibeke | VOV |