| Code | Name | Region |
|---|---|---|
| BEPKH | Pollinkhove | VWV |
| BEPME | Pommeroeul | WHT |
| BEPRO | Pondrome | WNA |
| BEPCL | Pont-a-celles | WHT |
| BEPLO | Pont-de-loup | WHT |
| BEPOP | Poperinge | VWV |
| BEPPE | Poppel | VAN |
| BEPST | Postel | VAN |
| BEPTS | Pottes | WHT |
| BEPSU | Poulseur | WLG |
| BEPFE | Profondeville | WNA |
| BEPRV | Proven | VWV |
| BEPUL | Pulderbos | VAN |
| BEPEE | Peer | VLI |
| BEPEI | Peisegem | VBR |
| BEPBE | Pellenberg | VBR |
| BEPIN | Pepingen | VBR |
| BEPEP | Pepinster | WLG |
| BEPER | Perk | VBR |
| BEPES | Peronnes | WHT |
| BEPLB | Peronnes/binche | WHT |
| BEPWZ | Peruwelz | WHT |
| BEPWE | Perwez | WBR |
| BEPRW | Perwez | WNA |
| BEPSH | Pesche | WAL |
| BEPGE | Petegem | VOV |
| BEPLY | Petit-lanaye | WLG |
| BEPTR | Petit-rechain | WLG |
| BEPRN | Petit-roeulx-lez-nivelles | WHT |
| BEPTI | Petit-thier | WLX |
| BEPHI | Philippeville | WNA |
| BEPTP | Pijp Tabak | VAN |
| BEPPX | Pipaix | WHT |
| BEOHE | Oud-heverlee | VBR |
| BEOTH | Oud-turnhout | VAN |
| BEOUF | Ouffet | WLG |
| BEOUG | Ougree | WLG |
| BEOPY | Oupeye | WLG |
| BEOUT | Outer | VOV |
| BEOGA | Outgaarden | VBR |
| BEOTY | Outrijve | VWV |
| BEOLE | Overboelare | VOV |
| BEOVR | Overijse | VBR |
| BEOVE | Overpelt | VLI |
| BEPAL | Paal | VLI |
| BEPFV | Paifve | WLG |
| BEPLI | Paliseul | WLX |
| BEPML | Pamel | VBR |
| BEPGI | Papignies | WHT |
| BEPRI | Parike | VOV |