The process for how to call El Salvador from Kiribati is not difficult, but there are a few things to keep in mind. To make a call from Kiribati to El Salvador, you will need to first dial the international access code for Kiribati, which is 00. Next, dial El Salvador’s country code, which is 503. Finally, dial the telephone number in El Salvador. Note that there is a different international access code for each country, so be sure to check the appropriate code before dialing.