An official maintenance screen on several Korean national museum websites says that access to the main websites is temporarily restricted from October 26, 2026, until the work is completed. It provides no confirmed reopening date for the websites. Importantly, a website-access notice is not in itself an announcement that the museum buildings have closed or that every reservation has been cancelled.
The official notice provides these general contact numbers: Gyeongju National Museum +82-54-740-7605; Jinju National Museum +82-55-740-0698; Gimhae National Museum +82-55-320-6800; Jeju National Museum +82-64-720-8000; and Iksan National Museum +82-63-830-0900. Specific departments may be more useful for bookings. For Jinju, education reservations are at 055-740-0689 and cultural events at 055-740-0620. Gimhae lists 055-320-6827 for the children's museum experience space and 055-320-6821 for cultural-event reservations. Jeju's education reservations line is 064-720-8106. Iksan lists 063-830-0926 for education and 063-830-0917 for cultural events. Gyeongju lists 054-740-7596 and 054-740-7535 for weekend family education.
Choose a contact based on what you need to arrange, rather than assuming that an inaccessible web page establishes seat availability, cancellation or opening hours. Recheck the official maintenance screen for updates before you travel.