Please use other ports of entry that support Cambodia e-Visa as mentioned in the below table, or contact your nearest Cambodian Embassy for the regular visa if you don’t want to change the port of entry.
Name of PortBorderEntryExit Phnom Penh International Airport-YesYes Siem Reap International Airport-YesYes Cham Yeam (Koh Kong)ThailandYesYes Chorm (Oddar Meanchey)ThailandNoYes Daung (Kamrieng Battambang)ThailandNoYes Poi Pet (Banteay Meanchey)ThailandYesYes Prom (Pailin)ThailandNoYes O Smach (Oddar Meanchey)ThailandNoYes Bavet (Svay Rieng)VietnamYesYes Kaoam Samnor (Kandal Mekong)VietnamNoYes Phnom Den (Takeo)VietnamNoYes Trapaing Sre (Kratie)VietnamNoYes Dong Kralo (Stung Treng)LaosNoYes Preah Sihanouk International Airport-NoYes Sihanoukville-NoYes
*Yes (Supports e Visa); No (Does not support e Visa)