Sliven Area Codes, Bulgaria |
| Country | Town/City | Area Code |
| Bulgaria | Sliven | +359 44 |
Area Codes of Bulgaria Cities
- Area Code of Blagoevgrad
- Area Code of Bourgas
- Area Code of Dobritch
- Area Code of Gabrovo
- Area Code of Gotse Delchev
- Area Code of Haskovo
- Area Code of Kardjali
- Area Code of Kazanluk
- Area Code of Kjustendil
- Area Code of Lovech
- Area Code of Lovetch
- Area Code of Mobile Phones
- Area Code of Montana
- Area Code of Pazardjik
- Area Code of Pernik
- Area Code of Pleven
- Area Code of Plovdiv
- Area Code of Razgrad
- Area Code of Rousse
- Area Code of Ruse
- Area Code of Shoumen
- Area Code of Silistra
- Area Code of Sliven
- Area Code of Smolyan
- Area Code of Sofia
- Area Code of Stara Zagora
- Area Code of Targovishte
- Area Code of Varna
- Area Code of Veliko Tarnovo
- Area Code of Vidin
- Area Code of Vratsa
- Area Code of Yambol