GU Guam Major Regions Postal Code Details
🏛️ Guam · Guam
96910
Agana
96919
Agana Heights
96928
Agat
96913
Barrigada
96910
Chalan Pago
96912
Dededo
96932
Hagatna
96913
Harmon
96917
Inarajan
96923
Mangilao
96916
Merizo
96910
Mongmong
96910
Ordot
96915
Piti
96915
Santa Rita
96910
Sinajana
96915
Talofofo
96931
Tamuning
96913
Tiyan
96913
Tumon
96915
Umatac
96929
Yigo
96915
Yona
📮GU Guam Regional Postal Code FAQ & Postal Regulations
📬 What is the format of Guam zip codes?
Guam uses 5-digit ZIP codes starting with 969, e.g., 96910 (Hagåtña), 96913 (Tamuning).
🔍 How to find a zip code for a specific address in Guam?
Use the 'Zip Code Lookup' tool on USPS.com by entering the full address for precise results.
⏱️ How long does shipping to Guam take?
From mainland US: 5-7 business days; International: 7-15 days depending on origin and customs clearance.
📦 Are there size limits for packages to Guam?
Yes: max length 108 inches (274cm), length + girth ≤165 inches (419cm), and max weight 70 lbs (31.5kg).
🚫 What items are prohibited for shipping to Guam?
Flammables, weapons, live animals/plants, drugs, and locally restricted items (e.g., fresh fruits). See USPS.gov for details.