Guam ZIP Code List: List of ZIP Codes in the U.S. Territory of Guam

The United States territory of Guam is an archipelago located in the western North Pacific Ocean. It is the westernmost island in Micronesia, the southernmost of the Mariana Islands, and one of two Commonwealths of the United States. The southern part of the island contains the majority of the population. Guam has a total area of 570 square miles and a population of close to 200,000.

There are three (3) ZIP Code districts in Guam, which are 10010-10013, 20010-20012, and 30010-30012. To find what type of information the Guam ZIP code contains the city and county it covers.

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