The process for calling Samoa from Gambia is pretty straightforward. You will need to dial the country code for Samoa (685) and then the phone number you are trying to reach. However, there are a few things you should keep in mind before making your call. Firstly, the time difference between Gambia and Samoa can be up to 12 hours, so make sure you are aware of the correct time slot to call. Secondly, Samoa is a relatively expensive country to call, so you may want to consider using a calling card or a VoIP service to keep your costs down. Finally, you will need to have the correct dialling format for the number you are trying to reach. This is usually +685 followed by the phone number.