The Area Codes of Bulgaria: City/Town or RegionArea code 1.Balchik0579 (+359579) 2.Bansko0749 (+359749) 3.Belene0658 (+359658) 4.Belogradchik0936 (+359936) 5.Berkovitsa0953 (+359953) 6.Blagoevgrad073 (+35973) 7.Blagoevgrad074 (+35974) 8.Blagoevgrad, Sofia075 (+35975) 9.Bobov Dol0702 (+359702) 10.Borovets0750 (+359750) 11.Botevgrad0723 (+359723) 12.Burgas055 (+35955) 13.Burgas056 (+35956) 14.Burgas059 (+35959) 15.Byala0817 (+359817) 16.Byala Slatina0915 (+359915)