The Area Codes of Bulgaria:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Balchik | 0579 (+359579) |
| 2. | Bansko | 0749 (+359749) |
| 3. | Belene | 0658 (+359658) |
| 4. | Belogradchik | 0936 (+359936) |
| 5. | Berkovitsa | 0953 (+359953) |
| 6. | Blagoevgrad | 073 (+35973) |
| 7. | Blagoevgrad | 074 (+35974) |
| 8. | Blagoevgrad, Sofia | 075 (+35975) |
| 9. | Bobov Dol | 0702 (+359702) |
| 10. | Borovets | 0750 (+359750) |
| 11. | Botevgrad | 0723 (+359723) |
| 12. | Burgas | 055 (+35955) |
| 13. | Burgas | 056 (+35956) |
| 14. | Burgas | 059 (+35959) |
| 15. | Byala | 0817 (+359817) |
| 16. | Byala Slatina | 0915 (+359915) |