Cambodia passport holders do not need Vietnam entry visa for their trip to Vietnam with below conditions:
- Max. stay is 30 days;
- Passport with validity at least 6 months;
- Not in the list of people that are banned from entering Vietnam;
Entry visa is required for people who do not meet the above conditions.
There is Vietnam Embassy/Consulate in Cambodia (see below). You can go there to get Vietnam entry visa.
In case you are far away from the Embassies or you just don't want to deal with paperwork, you should apply visa on arrival. With visa on arrival, you can (only) get Vietnam visa at Vietnam airport.
Embassy of the Socialist Republic of Vietnam in Cambodia
ADDRESS: Vietnamese Embassy in Phnom Penh, Cambodia
TELEPHONE: (+855) 23 726 274
FAX: (+855) 23 726 495
EMAIL: firstname.lastname@example.org, email@example.com
Consulate of the Socialist Republic of Vietnam in Cambodia
Address: Road No. 03 – Battambang province – Kingdom of Cambodia.
Tel: (+855) 536 888 867
Fax: (+855) 536 888 866
Consulate General Of Vietnam In Sihanouk Ville - Cambodia
310, Ekareach Blvd, Khan Mittapheap, Sihanoukville
Tel (Consular Section): +855-34- 934039
Fax : +855-34-933669
Email: firstname.lastname@example.org or email@example.com