| Code | Name | Region |
|---|---|---|
| NLUTC | Utrecht | UT |
| NLVLS | Vaals | |
| NLVAA | Vaassen | |
| NLVLK | Valkenburg | |
| NLVLB | Valkenburg | LI |
| NLVKS | Valkenisse | ZE |
| NLTKM | Tolkamer | GE |
| NLTOK | Tollebeek | FL |
| NLTOR | Torontostraat | |
| NLTRC | Tricht | GE |
| NLTBB | Tubbergen | |
| NLTUL | Tuil | |
| NLTUH | Tuitjenhorn | |
| NL2LL | Tweede Exloermond | DR |
| NLTWE | Twello | |
| NLTWT | Twenterand | OV |
| NLTWY | Twijzel | FR |
| NLTWI | Twijzelerheide | FR |
| NLTWL | Twijzelerheide | FR |
| NLTNO | Tynaarlo | DR |
| NLTZU | Tzummarum | FR |
| NLUDL | Uddel | GE |
| NLUDE | Uden | NB |
| NLUDH | Udenhout | |
| NLUFE | Uffelte | DR |
| NLZDS | Ugchelen | GE |
| NLTNZ | Terneuzen | |
| NLTSL | Terschelling | FR |
| NLTEU | Terschuur | GE |
| NLTRI | Terwispel | FR |
| NLTRW | Terwolde | GE |
| NLTET | Teteringen | NB |
| NLTGE | Teuge | GE |
| NLTEX | Texel | |
| NLTEY | Teylingen | ZH |
| NLHAG | The Hague | ZH |
| NLTHO | Tholen | |
| NLTHN | Thorn | LI |
| NLTIE | Tiel | |
| NLTNY | Tienray | LI |
| NLTYT | Tietjerksteradeel/tytsjerksteradiel | FR |
| NLFR5 | Tijnje | FR |
| NLTLB | Tilburg | |
| NLTKW | Tjerkwerd | FR |
| NLTOL | Tolbert | GR |
| NLTLD | Toldijk | GE |
| NLKRI | 't Kruis | NH |
| NLLKN | 't Leuken | LI |
| NLSTO | 't Stort | NH |
| NLVET | 't Veld | NH |