| Port Code | Port Name | Country |
| BELOY | Loyers | Belgium |
| BELOZ | Lozen | Belgium |
| BELPE | Loupoigne | Belgium |
| BELPG | Leopoldsburg | Belgium |
| BELPI | Laplaigne | Belgium |
| BELPM | Loppem | Belgium |
| BELPO | Langemark-Poelkapelle | Belgium |
| BELPZ | Lomprez | Belgium |
| BELRE | Leernes | Belgium |
| BELRG | Ledeberg | Belgium |
| BELRI | Lo-Reninge | Belgium |
| BELRM | Larum | Belgium |
| BELRZ | Berloz | Belgium |
| BELSE | Leisele | Belgium |
| BELSG | Lissewege | Belgium |
| BELSI | Lombardsijde | Belgium |
| BELSN | Lasne-Chapelle-Saint-Lambert | Belgium |
| BELSO | Lisogne | Belgium |
| BELST | Leest | Belgium |
| BELSY | Lesterny | Belgium |
| BELTA | Leval-Trahegnies | Belgium |
| BELTI | Latinne | Belgium |
| BELTO | Latour | Belgium |
| BELTZ | Lontzen | Belgium |
| BELUM | Lummen | Belgium |
| BELUT | Luttre | Belgium |
| BELUV | Louveigné | Belgium |
| BELVA | Lavacherie | Belgium |
| BELVM | Lives-sur-Meuse | Belgium |
| BELVO | Lovendegem | Belgium |
| BELVW | Onze-Lieve-Vrouw-Waver | Belgium |
| BELWE | Lommersweiler | Belgium |
| BELWI | Lillois-Witterzée | Belgium |
| BEMAC | Machelen | Belgium |
| BEMAF | Maffe | Belgium |
| BEMAK | Maarkedal | Belgium |
| BEMAL | Malle | Belgium |
| BEMAN | Manage | Belgium |
| BEMAP | Marchienne-au-Pont | Belgium |
| BEMAR | Marke | Belgium |
| BEMAZ | Mazy | Belgium |
| BEMBA | Mielen-boven-Aalst | Belgium |
| BEMBE | Meerbeke | Belgium |
| BEMBI | Montroeul-au-Bois | Belgium |
| BEMBK | Melsbroek | Belgium |
| BEMBL | Munsterbilzen | Belgium |
| BEMBO | Mabompré | Belgium |
| BEMBU | Masbourg | Belgium |
| BEMBW | Malmédy | Belgium |
| BEMCA | Merbes-le-Château | Belgium |
| BEMCE | Miécret | Belgium |
| BEMCI | Marchin | Belgium |
| BEMCL | Marcinelle | Belgium |
| BEMCN | Machelen | Belgium |
| BEMCO | Macon | Belgium |
| BEMCQ | Macquenoise | Belgium |
| BEMCT | Mourcourt | Belgium |
| BEMCX | Micheroux | Belgium |
| BEMDE | Meldert | Belgium |
| BEMDL | Mont-de-L'Enclus | Belgium |
| BEMDO | Mendonk | Belgium |
| BEMDV | Meix-devant-Virton | Belgium |
| BEMEA | Méan | Belgium |
| BEMEB | Meslin-l'Evêque | Belgium |
| BEMEC | Merchtem | Belgium |
| BEMEE | Meer | Belgium |
| BEMEF | Marche-en-Famenne | Belgium |
| BEMEH | Meerhout | Belgium |
| BEMEI | Mélin | Belgium |
| BEMEL | Melle | Belgium |
| BEMEM | Mollem | Belgium |
| BEMEN | Menen | Belgium |
| BEMER | Mere | Belgium |
| BEMES | Messancy | Belgium |
| BEMEU | Meulebeke | Belgium |
| BEMEW | Moerbeke-Waas | Belgium |
| BEMFF | Maffle | Belgium |
| BEMGE | Magnée | Belgium |
| BEMGL | Mévergnies-lez-Lens | Belgium |
| BEMGS | Montignies-sur-Sambre | Belgium |
| BEMGU | Meeuwen-Gruitrode | Belgium |
| BEMHI | Mohiville | Belgium |
| BEMHN | Massenhoven | Belgium |
| BEMHO | Minderhout | Belgium |
| BEMHY | Manhay | Belgium |
| BEMID | Middelburg | Belgium |
| BEMIK | Middelkerke | Belgium |
| BEMIL | Milmort | Belgium |
| BEMIR | Monceau-Imbrechies | Belgium |
| BEMIS | Meise | Belgium |
| BEMKE | Mannekensvere | Belgium |
| BEMKI | Meensel-Kiezegem | Belgium |
| BEMLD | Marche-les-Dames | Belgium |
| BEMLE | Melsele | Belgium |
| BEMLG | Maldegem | Belgium |
| BEMLN | Malonne | Belgium |
| BEMLO | Mol | Belgium |
| BEMLR | Meerle | Belgium |
| BEMLS | Melles | Belgium |
| BEMLT | Mellet | Belgium |