What Does SHN Stand For?

SHN stands for Saint Helena ISO 3166 Trigram

SHN stands for "Saint Helena ISO 3166 Trigram," which is a three-letter code designated by the International Organization for Standardization (ISO) to represent Saint Helena. This code is part of the ISO 3166 standard, which establishes official codes for the names of countries, territories, and special areas of geographical interest, facilitating international communication and data exchange.