| Code | Name | Region |
|---|---|---|
| BGKVN | Kavarna | |
| BGZHA | Kaynardzha | 19 |
| BGKZK | Kazanlak | 24 |
| BGKZN | Kazanluk | |
| BGKAZ | Kazichene | 23 |
| BGRKM | Kermen | 20 |
| BGKHK | Khan Krum | |
| BGHMI | Kharmanli | |
| BGKHO | Khaskovo | |
| BGKJG | Kjustendil | |
| BGKRL | Klisura | 22 |
| BGKNE | Knezha | |
| BGROO | Kolarovo | 26 |
| BGSKA | Koprivshtitsa | 23 |
| BGK2N | Korten | 20 |
| BGGJE | Gyueshevo | |
| BGHRM | Harmanli | 26 |
| BGHKV | Haskovo | |
| BGXCR | Hisarya | 16 |
| BGIAB | Iablanitsa | |
| BG4IG | Ignatievo | 3 |
| BGIHT | Ikhtiman | 23 |
| BGIOV | Iovkovo | |
| BGISK | Iskar | 3 |
| BGISP | Isperih | 17 |
| BGIPR | Isperikh | |
| BGIVL | Ivailovgrad | |
| BGJAM | Jambol | |
| BGKAV | Kalipetrovo | 19 |
| BGKAL | Kalotina | |
| BGKAO | Kaolinovo | 27 |
| BGKAN | Kapitan-andreevo | |
| BGKAP | Kapitanovtsi | 5 |
| BGBKR | Karabunar | 13 |
| BGKAR | Kardam | |
| BGELE | Elena | 4 |
| BGELH | Elhovo | 28 |
| BGEPE | Elin Pelin | 23 |
| BGEHO | Elkhovo | 28 |
| BGETS | Etropole | |
| BGFOT | Fotinovo | 13 |
| BGGAV | Gabrovo | |
| BGGAL | Galabovo | 24 |
| BGDA3 | Garmen | 1 |
| BGGTB | General-toshevo | 8 |
| BGTOS | General-toshevo | 8 |
| BGGOD | Godech | 22 |
| BGGOL | Golyamo Chochoveni | |
| BGGOV | Gorna Oryahovica | 4 |
| BGGOZ | Gorna Oryakhovitsa |