Oceania • ISO GU / GUM • USD ($)
Guam Coins & Profile
Discover Guam coinage and reference data, highlighting historical and modern United States Dollar ($ / USD) series, ISO 3166 (GU / GUM) identifiers, and exact mint weights in grams.
Geographic & Numismatic Dossier
Standardized geographic & monetary reference
Guam Country Overview
Historical & Regional Context
About Guam
National Flag
Global Locator
Territory Map
Positioned at the southern tip of the Mariana Islands chain in the western Pacific Ocean and governed from Hagåtña, Guam is the largest and southernmost island in Micronesia and an unincorporated territory of the United States. Utilizing the United States dollar (USD) as its official currency, Guam is honored on US Mint circulation coinage—including the 2009 Guam Territorial Quarter depicting a flying proa outrigger canoe and ancient Chamorro Latte stone pillar.
Region: Oceania
Currency: United States Dollar ($ / USD)
Alpha-2: GU
Alpha-3: GUM
Dialing: +1-671
Weigh Coins
Standardized Registry
Key Country Specifications
Official Territory Name
Guam
Continent / Region
Oceania
Capital City
Hagåtña
Official Currency
United States Dollar ($ • USD)
Demonym / Citizens
Guamanian
Population
168.801
ISO 3166-1 Alpha-2
GU
ISO 3166-1 Alpha-3
GUM
Calling Code
+1-671
Bordering Countries
None (Island / Maritime Territory)
Official Coinage Registry
0 cataloged coins
Guam Coinage & Specifications
Catalog Synchronization
Weighing Guam Coins or Rolls?
Individual coin specifications for Guam are continuously being indexed into our database. In the meantime, you can use our interactive Coin Weighing Wizard or browse the global coin catalog to verify standard mint weights and roll quantities.