🇬🇺 GU postal directory
Guam postal codes and regions
Browse administrative regions, explore code prefixes and inspect transparent coverage statistics.
- Place records
- 21
- Postal codes
- 21
- Named places
- 18
- Mapped records
- 21
- Shared codes
- 0
Regions
Popular starting characters
Source: GeoNames postal-code snapshot checked 2026-07-18. Postal data © GeoNames.org, CC BY 4.0. Accuracy codes belong to the source and are not a ZipCodeGlobe verification claim.