| Code | Name | Region |
|---|---|---|
| BEMAR | Marke | VWV |
| BEMOI | Marloie | WLX |
| BEMLY | Marly | VBR |
| BEMRQ | Marquain | WHT |
| BEMTA | Martelange | WLX |
| BEMSD | Martenslinde | VLI |
| BEMNE | Martouzin-neuville | WNA |
| BEMBU | Masbourg | WLX |
| BEMHN | Massenhoven | VAN |
| BEMBY | Maubray | WHT |
| BEMUL | Maulde | WHT |
| BEMRG | Maurage | WHT |
| BEMAZ | Mazy | WNA |
| BEMEA | Mean | WNA |
| BEECH | Mechelen | VAN |
| BEMKI | Meensel-kiezegem | VBR |
| BEMEE | Meer | VAN |
| BEMRE | Meerbeek | VBR |
| BEMBE | Meerbeke | VOV |
| BEMDK | Meerdonk | |
| BEMLG | Maldegem | VOV |
| BEMN2 | Malderen | VBR |
| BEMAL | Malle | VAN |
| BEMBW | Malmedy | WLG |
| BEMLN | Malonne | WNA |
| BEMAN | Manage | WHT |
| BEMHY | Manhay | WLX |
| BEMKE | Mannekensvere | VWV |
| BEWBR | Maransart | WBR |
| BEMBS | Marbais | WBR |
| BEMBH | Marbehan | WLX |
| BEMEF | Marche-en-famenne | WLX |
| BEMLD | Marche-les-dames | WNA |
| BEECA | Marche-lez-ecaussinnes | WHT |
| BE2HW | Marche-lez-ecaussinnes | WHT |
| BEMAP | Marchienne-au-pont | WHT |
| BEMCI | Marchin | WLG |
| BEMCL | Marcinelle | WHT |
| BEMRI | Mariakerke | VOV |
| BEMOU | Marienbourg | WNA |
| BELIU | Luingne | WHT |
| BELUM | Lummen | VLI |
| BELUI | Lustin | WNA |
| BELUT | Luttre | WHT |
| BEMAK | Maarkedal | VOV |
| BEMSK | Maaseik | VLI |
| BEMMN | Maasmechelen | VLI |
| BEMBO | Mabompre | WLX |
| BEMAC | Machelen | VBR |
| BEMCN | Machelen | VOV |