What Does PRI Stand For?

PRI stands for Puerto Rico ISO 3166 Trigram

PRI stands for "Puerto Rico ISO 3166 Trigram," which is the three-letter code assigned to Puerto Rico as part of the International Organization for Standardization's ISO 3166 standard. This code is used for various applications, including data exchange, shipping, and international recognition, ensuring a consistent and standardized representation of Puerto Rico in global contexts.