| Code | Name | Region |
|---|---|---|
| ROVIZ | Vadu Izei | |
| ROVDP | Vadu Pasii | BZ |
| RORZX | Vaduri | NT |
| ROVAD | Valea Adanca | IS |
| ROTIG | Tiganesti | |
| ROTAD | Tileagd | |
| ROTMT | Timisesti | NT |
| ROTSR | Timisoara | |
| ROTSN | Timisoara Nord | |
| RO6BT | Tincabesti | B |
| ROTIN | Tintesti | |
| ROTJU | Tirgu Jiu | GJ |
| RORGU | Tirgu Lapus | MM |
| ROTIR | Tirgu Mures | MS |
| ROTIT | Titu | DB |
| ROOAA | Toaca | MS |
| ROTOH | Tohani | |
| ROTOI | Tomesti | IS |
| ROTNI | Tonesti, Olt | |
| ROTPL | Topolog | TL |
| ROTTI | Totesti | HD |
| ROTRA | Traisteni | PH |
| ROTCE | Tulcea | TL |
| ROTGH | Tulghes | HR |
| ROTDE | Tandarei | IL |
| ROCAU | Tarcau | NT |
| ROTAR | Targoviste | DB |
| ROTAG | Targsoru Nou | PH |
| ROTFR | Targu Frumos | IS |
| ROTGU | Targu Jiu | GJ |
| RORZO | Targu Neamt | NT |
| ROTAO | Targu Ocna | BC |
| ROTSC | Targu Secuiesc | |
| ROTGM | Targu-mures | |
| ROTJI | Tarju Jiu | |
| ROTVI | Tarnaveni | |
| ROTAS | Tasnad | SM |
| ROTCC | Tecuci | GL |
| ROTEU | Teius | AB |
| ROTON | Teleorman | TR |
| ROTGA | Teregova | CS |
| ROTET | Tetchea | |
| ROTIC | Ticleni | |
| ROTFT | Tifesti | VN |
| ROSMS | Soimesti | PH |
| ROSOU | Soimus | HD |
| ROSOM | Someseni | |
| RORZU | Sovata | MS |
| ROSOV | Soveja | VN |
| RORZC | Stalpeni | AG |