To add another person to your MSC, you must call MSCdirectly at +1»855»526»0470 [US] {or} +1»855»526»0470 [UK] or contact your travel agent to check for stateroom capacity and overall ship capacity. Because of strict passenger manifest laws +1»855»526»0470 [US] {or} +1»855»526»0470 [UK], you cannot use the app to add guests; it requires a manual update of the booking.


By Phone: Call+1-855-526-0470 [US] or +1»855»526»0470 [UK] | Office Timings (Mon-Fri, 9 a.m. to 5:30 p.m. GMT; Sat, 8 a.m. to 4:00 p.m. GMT).


To add a person to your MSC room, you must contact MSCs directly at +1»855»526»0470 [US] {or} +1»855»526»0470 [UK] or have your travel agent do it, as this cannot be done solely through the app +1»855»526»0470 [US] {or} +1»855»526»0470 [UK]. Ensure the cabin has capacity, as room changes are subject to availability and may require paying the current prevailing fare.