| Code | Name | Region |
|---|---|---|
| ROBLJ | Blejoi | PH |
| ROBBI | Boboiesti | GJ |
| ROBOB | Bobota | |
| ROBOC | Bocsa | CS |
| ROBDI | Bodesti | |
| ROBLT | Boldesti-scaeni | PH |
| ROBOL | Bolintin Deal | GR |
| ROBOV | Bolintin Vale | |
| ROBCA | Borca | NT |
| ROBCE | Borcea | CL |
| ROBOR | Bors | BH |
| ROBOA | Borsa | MM |
| ROBSC | Borsec | HR |
| ROBAE | Baleni | BH |
| ROBAI | Balesti | |
| RORRM | Balotesti | B |
| ROBAL | Bals | OT |
| ROBPU | Baneasa Apt/bucuresti | |
| ROBNT | Banesti | PH |
| ROBMA | Barcea-mare | HD |
| ROBAA | Barla | AG |
| ROBRL | Barlad | |
| ROBRS | Barsana | MM |
| ROBAR | Barticesti | |
| ROBAB | Basarabi | |
| ROBAS | Bascov | AG |
| ROMBT | Batos | MS |
| ROBZI | Bazias | CS |
| ROBCT | Bechet | DJ |
| ROBUM | Becicherecu Mic | |
| ROBCN | Beclean | HR |
| ROBEI | Beius | BH |
| ROGBC | Belciugatele | CL |
| ROAMA | Almasu Mare | AB |
| ROAMR | Amara | IL |
| ROAGH | Anghelesti | VN |
| ROAPA | Apahida | B |
| ROARW | Arad | |
| ROARI | Aricestii-rahtivani | PH |
| ROAVR | Avrig | SB |
| ROBBG | Babadag | TL |
| ROBCM | Bacau | |
| ROBAC | Bacia | HD |
| ROBCU | Baciu, Cluj | CJ |
| ROBCO | Bacova | TM |
| ROBAQ | Baia | TL |
| ROBDC | Baia De Cris | HD |
| ROBDF | Baia De Fier | GJ |
| ROBAY | Baia Mare | |
| ROBPH | Baicoi | PH |