Area Codes in Guam
Explore area codes connected to ZIP codes in Guam. Use this page to move between area code lookup, ZIP code coverage, and state-level browsing.
State
Guam
GU
ZIP codes
13
Population
0
About area codes in Guam
Area codes in Guam connect phone numbering geography with ZIP code regions, cities, and local coverage. Use the cards above to open each area code page, then continue to the related ZIP code pages for deeper postal lookup.