California does not have its own code. It is not a country, but don't tell the natives there. They sometimes think it is. I live with them. ES is Spain.
EE is Estonia.
FM Micronesia FO Faroe Islands FR France FX France, Metropolitan GA Gabon GD Grenada GE Georgia GF French Guiana GH Ghana GI Gibraltar GL Greenland GM Gambia GN Guinea GP Guadeloupe GQ Equatorial Guinea GR Greece GS S. Georgia and S. Sandwich Isls. QA Qatar RE Reunion RO Romania RU Russian Federation RW Rwanda GS S. Georgia and S. Sandwich Isls.