| Code | Name | Region |
|---|---|---|
| ROCER | Cernica | B |
| ROCJA | Chiajna | |
| ROCHL | Chilia Veche | TL |
| ROCHM | Chimindia | |
| ROBUV | Bucuresti 50 Vama | |
| ROBUB | Bucuresti Basarab | |
| ROBUI | Bucuresti Intrepozite | |
| ROBUN | Bucuresti Nord | |
| ROBBU | Bucuresti-baneasa Apt | |
| ROBUD | Budesti, Calarasi | |
| ROBDH | Buduhala | GJ |
| ROBUF | Buftea | B |
| ROGJJ | Bumbesti-jiu | GJ |
| ROBUS | Busteni | PH |
| ROBBT | Butimanu | DB |
| ROBUZ | Buzau | |
| ROBZS | Buzias | |
| ROCAF | Calafat | DJ |
| ROCAS | Calarasi | CL |
| ROCAL | Caldararu | AG |
| ROCAA | Calina | VL |
| ROCLS | Calinesti | AG |
| ROCFI | Calomfiresti | TR |
| ROCPI | Campeni | |
| ROBOI | Bosanci | SV |
| ROBTZ | Botiz | SM |
| ROBOT | Botiza | MM |
| ROBOS | Botosani | |
| ROBOZ | Bozovici | CS |
| ROBRB | Brad | BC |
| ROBRD | Brad, Hunedoara | HD |
| ROBDU | Bragadiru, Ilfov | |
| ROBRA | Braila | BR |
| ROBTS | Branesti | IF |
| ROBRV | Brasov | |
| ROBRT | Bratca | |
| ROBII | Brazii | AR |
| ROPHV | Brazii De Sus | PH |
| ROBZA | Breaza, Prahova | PH |
| ROBRE | Brebu | |
| ROBUC | Buces | HD |
| ROBCV | Bucov | PH |
| ROBUH | Bucuresti | |
| ROBRC | Berca | BZ |
| ROBEZ | Bezdead | DB |
| ROBCD | Bicsad | CV |
| ROBR5 | Biharea | BH |
| ROBIT | Bistrita | |
| ROBLA | Blaj | AB |
| ROBJE | Blejesti | TR |