Royal Thai Consulate Savannakhet: 
No.9 Road Ban Houameuang N, Kaysone Phomvihane City, Savannakhet Province, Lao PDR

Tel: (856-41) 212-373
Email: thaiconsulate.svk@mfa.go.th
Monday to Friday from 8am-5pm

Visa can be applied also online https://savannakhet.thaiembassy.org/th/page/104407-applying-for-visa?menu=5d84a44c15e39c26b400453c