| Code | Region | Old Style | New Style |
| AB | Alba | |
|
| AG | Arges | |
|
| AR | Arad | |
|
| B | Bucharest | |
|
| BC | Bacau | |
|
| BH | Bihor | |
|
| BN | Bistrita Nasaud | |
|
| BR | Braila | |
|
| BT | Botosani | |
|
| BV | Brasov | |
|
| BZ | Buzau | |
|
| CJ | Cluj | |
|
| CL | Calarasi | |
|
| CS | Caras-Severin | |
|
| CT | Constanta | |
|
| CV | Covasna | |
|
| DB | Dambovita | |
|
| DJ | Dolj | |
|
| GJ | Gorj | |
|
| GL | Galati | |
|
| GR | Giurgiu | |
|
| HD | Hunedoara | |
|
| HR | Harghita | |
|
| IF | Ilfov | |
|
| IL | Ialomita | |
|
| IS | Iasi | |
|
| MH | Mehedinti | |
|
| MM | Maramures | |
|
| MS | Mures | |
|
| NT | Neamt | |
|
| OT | Olt | |
|
| PH | Prahova | |
|
| SB | Sibiu | |
|
| SJ | Salaj | |
|
| SM | Satu Mare | |
|
| SV | Suceava | |
|
| TL | Tulcea | |
|
| TM | Timis | |
|
| TR | Teleorman | |
|
| VL | Valcea | |
|
| VN | Vrancea | |
|
| VS | Vaslui | |
|
