| Code | Name | Region |
|---|---|---|
| BETHE | Thieu | WHT |
| BETLA | Thieulain | WHT |
| BETSI | Thieusies | WHT |
| BETST | Thimister | WLG |
| BETCL | Thimister-clermont | WLG |
| BETUG | Thimougies | WHT |
| BETHI | Thines | WBR |
| BETHO | Thommen | WLG |
| BETHS | Thon Samson | WNA |
| BETRG | Thorembais-les-beguines | WBR |
| BETHT | Thorembais-saint-trond | WBR |
| BETOB | Thorntonbank | |
| BETUL | Thuillies | WHT |
| BETHU | Thuin | WHT |
| BETHL | Thulin | WHT |
| BETMA | Thumaide | WHT |
| BETHY | Thy-le-chateau | WNA |
| BETYS | Thynes | WNA |
| BETIG | Tiegem | VWV |
| BETCI | Tarcienne | WNA |
| BETVI | Tavier | WLG |
| BETVY | Tavigny | WLX |
| BETLI | Tellin | WLX |
| BETPU | Templeuve | WHT |
| BETPX | Temploux | WNA |
| BETSE | Temse | VOV |
| BETVL | Tenneville | WLX |
| BETFN | Teralfene | VBR |
| BETDK | Terdonk | VOV |
| BETGE | Tergnee | WHT |
| BETGN | Terhagen | VAN |
| BETRE | Termes | WLX |
| BETER | Ternat | VBR |
| BETET | Tertre | WHT |
| BETEN | Tervuren | VBR |
| BETES | Tessenderlo | VLI |
| BETTT | Testelt | VBR |
| BETEU | Teuven | VLI |
| BESDP | Steendorp | VOV |
| BESHF | Steenhuffel | VBR |
| BESKE | Steenkerke | VWV |
| BESKK | Steenokkerzeel | VBR |
| BESTK | Stekene | VOV |
| BESTM | Stembert | WLG |
| BESPH | Sterpenich | WLX |
| BESRB | Sterrebeek | VBR |
| BESVN | Stevensvennen | VLI |
| BESVR | Stevoort | VLI |
| BESKR | Stokrooie | VLI |
| BESTU | Stoumont | WLG |