Guam ZIP Codes

Guam ZIP code list — 1 ZIP codes across 1 counties and 1 cities. Search by city or filter by county.

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About Guam ZIP codes

Guam, an unincorporated U.S. territory in the western Pacific Ocean, is served by ZIP codes that all begin with the prefix 969. Our database currently indexes 1 ZIP code for the territory, covering the island's capital and surrounding areas. Despite its relatively small size of just 210 square miles, Guam plays an outsized role in Pacific logistics and is home to significant U.S. military installations that rely on this unique ZIP code prefix. Whether you're sending mail to Hagåtña or one of Guam's 19 villages, the 969 prefix ensures your correspondence reaches this beautiful island territory.

All Guam ZIP codes begin with the prefix 969, which is part of the broader 96 prefix group assigned to U.S. territories and overseas military installations in the Pacific region. This prefix uniquely identifies mail destined for Guam, distinguishing it from other Pacific territories such as American Samoa and the Marshall Islands. The 969 prefix reflects Guam's status as an unincorporated U.S. territory in the western Pacific Ocean.

Guam county (the territory itself, which functions as a single county-equivalent jurisdiction) accounts for all 1 ZIP code in the database, as Guam is a relatively small island territory without subdivided county governments recognized by the U.S. Postal Service.

Quick facts

Guam actually uses approximately 20 or more ZIP codes in practice (ranging from 96910 to 96932), serving its various villages and military installations, though our database currently indexes 1 primary entry for the territory.
Guam was one of the first U.S. territories in the Pacific to receive its own dedicated ZIP code prefix when the ZIP code system was introduced nationwide in 1963, reflecting its strategic importance as a U.S. military hub.
The ZIP code 96910 is assigned to Hagåtña (formerly Agana), the capital of Guam, making it one of the few capital ZIP codes that starts with 969 — a prefix shared only among far-flung Pacific territories and military addresses.

Frequently asked questions

What ZIP codes are in Hagåtña, Guam?

Hagåtña, the capital of Guam, is served by ZIP code 96910. As the historic and governmental center of the island, Hagåtña was among the first locations in Guam to receive a dedicated ZIP code. Other nearby villages such as Tamuning and Dededo use their own separate ZIP codes in the 969xx range.

How many ZIP codes does Guam have?

Our database currently indexes 1 ZIP code for Guam. In practice, the U.S. Postal Service assigns multiple ZIP codes across the territory's villages and military bases, but this entry represents the primary indexed code for the territory.

What do Guam ZIP codes start with?

All Guam ZIP codes start with the prefix 969. This prefix is part of the 96 series reserved for U.S. territories and military installations in the Pacific. If you see a ZIP code beginning with 969, you can be confident it is destined for Guam.

Which county in Guam has the most ZIP codes?

Guam functions as a single county-equivalent jurisdiction, and it holds all 1 ZIP code in our database. Unlike U.S. states, Guam does not have traditional counties; instead, the entire island territory is treated as one administrative unit for postal and census purposes.

Looking for a downloadable Guam ZIP code list? Our Gold Edition database includes all 1 GU ZIP codes with city, county, latitude, longitude, timezone, and FIPS codes — available in Excel, CSV, and Access formats.

Last updated April 2026