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ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

listpostcode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 listpostcode. All rights reserved.

  1. Home
  2. Continents
  3. Oceania
  4. Guam
🇬🇺

Guam ZIP codes

Guam

96910Oceania5 chars
Browse All Codes Lookup Tool
Total Codes

19

Code Length

5 chars

Provinces

19

Admin Levels

1

Interactive Map

Explore Guam's 19 provinces with our interactive map.

Open Map

Find Post Offices

Locate post offices across Guam. Find addresses and contact information.

Find Offices

Understanding Guam ZIP codes

Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

Key Characteristics

Code Type

Numeric

Administered By

National Postal Service

Coverage

Nationwide

ZIP code format breakdown

Guam uses numeric zip codes with 5 digits (example: 96910). In our directory, these codes are organized from provinces down to villages.

Visual Structure

9
6
9
1
0

Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

Administrative Hierarchy

How Guam organises areas for ZIP codes

Provinces(19)
1

Province

19 total
Browse all provinces

Provinces Directory

Browse all 19 top-level divisions

Piti Municipality
Santa Rita Municipality
Sinajana Municipality
Talofofo Municipality
Tamuning-Tumon-Harmon Municipality
Umatac Municipality
Yigo Municipality
Yona Municipality
Merizo Municipality
Mangilao Municipality
Agana Heights Municipality
Chalan Pago-Ordot Municipality
Asan-Maina Municipality
Agat Municipality
Dededo Municipality
Barrigada Municipality
+3 more

Addressing Mail to Guam

Step-by-step guide for correct address formatting

1
Recipient name
2
Street address or PO Box
3
City, State/Province, Postal code
4
Country name

Sample Address Block

Name; Street; City, State Postcode; Country

Delivery Best Practices

Tips for successful mail and package delivery

Always verify the ZIP code

Verify your ZIP code is complete (5 digits) before sending. Use our lookup tool to confirm accuracy.

Include all address levels

Write the full address hierarchy for best results.

Avoid abbreviations

Write out full province names to prevent sorting errors.

Don't omit the ZIP code

Missing ZIP codes cause significant delivery delays and may result in returned mail.

Shipping to Guam

What to know when sending packages

Standard domestic delivery within Guam typically takes 2–7 business days. International packages require complete address information including the ZIP code. Always include the correct 5-character code for fastest routing.

Frequently Asked Questions

Common questions about Guam ZIP codes

What is the ZIP code format for Guam?

Guam uses 5 digits in the ZIP code. An example is 96910. Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

How many provinces does Guam have?

Guam has 19 provinces with ZIP code coverage. Use our browse tool to explore them.

How do I find my ZIP code in Guam?

Use our free lookup or browse by province to find the exact ZIP code for your location.

Where do I write the ZIP code on a Guam address?

The ZIP code is written on the same line as or immediately after the province, before the country name when mailing internationally.

More Countries in Oceania

🇦🇶

Antarctica

AQ

🇦🇸

American Samoa

AS

🇦🇺

Australia

AU

🇨🇰

Cook Islands

CK

🇫🇯

Fiji

FJ

🇫🇲

Micronesia

FM

View all countries in Oceania

Example Code

96910

5 characters

Country Facts

Continent
Oceania
ISO Alpha-2
GU
Admin Levels
1

On This Page

OverviewMap & Post OfficesAbout the SystemZIP code formatAdmin HierarchyProvinces DirectoryAddress GuideDelivery TipsShipping InfoFAQRelated Countries

Free ZIP codes tools

Look up, validate, and download Guam ZIP codes.

ZIP code lookup Address Validator Download PDF
  1. Home
  2. Continents
  3. Oceania
  4. Guam
🇬🇺

Guam ZIP codes

Guam

96910Oceania5 chars
Browse All Codes Lookup Tool
Total Codes

19

Code Length

5 chars

Provinces

19

Admin Levels

1

Interactive Map

Explore Guam's 19 provinces with our interactive map.

Open Map

Find Post Offices

Locate post offices across Guam. Find addresses and contact information.

Find Offices

Understanding Guam ZIP codes

Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

Key Characteristics

Code Type

Numeric

Administered By

National Postal Service

Coverage

Nationwide

ZIP code format breakdown

Guam uses numeric zip codes with 5 digits (example: 96910). In our directory, these codes are organized from provinces down to villages.

Visual Structure

9
6
9
1
0

Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

Administrative Hierarchy

How Guam organises areas for ZIP codes

Provinces(19)
1

Province

19 total
Browse all provinces

Provinces Directory

Browse all 19 top-level divisions

Piti Municipality
Santa Rita Municipality
Sinajana Municipality
Talofofo Municipality
Tamuning-Tumon-Harmon Municipality
Umatac Municipality
Yigo Municipality
Yona Municipality
Merizo Municipality
Mangilao Municipality
Agana Heights Municipality
Chalan Pago-Ordot Municipality
Asan-Maina Municipality
Agat Municipality
Dededo Municipality
Barrigada Municipality
+3 more

Addressing Mail to Guam

Step-by-step guide for correct address formatting

1
Recipient name
2
Street address or PO Box
3
City, State/Province, Postal code
4
Country name

Sample Address Block

Name; Street; City, State Postcode; Country

Delivery Best Practices

Tips for successful mail and package delivery

Always verify the ZIP code

Verify your ZIP code is complete (5 digits) before sending. Use our lookup tool to confirm accuracy.

Include all address levels

Write the full address hierarchy for best results.

Avoid abbreviations

Write out full province names to prevent sorting errors.

Don't omit the ZIP code

Missing ZIP codes cause significant delivery delays and may result in returned mail.

Shipping to Guam

What to know when sending packages

Standard domestic delivery within Guam typically takes 2–7 business days. International packages require complete address information including the ZIP code. Always include the correct 5-character code for fastest routing.

Frequently Asked Questions

Common questions about Guam ZIP codes

What is the ZIP code format for Guam?

Guam uses 5 digits in the ZIP code. An example is 96910. Freight documents listing Guam as destination should repeat five-digit codes (96910); GU deconsolidation yards scan them for city‑level staging.

How many provinces does Guam have?

Guam has 19 provinces with ZIP code coverage. Use our browse tool to explore them.

How do I find my ZIP code in Guam?

Use our free lookup or browse by province to find the exact ZIP code for your location.

Where do I write the ZIP code on a Guam address?

The ZIP code is written on the same line as or immediately after the province, before the country name when mailing internationally.

More Countries in Oceania

🇦🇶

Antarctica

AQ

🇦🇸

American Samoa

AS

🇦🇺

Australia

AU

🇨🇰

Cook Islands

CK

🇫🇯

Fiji

FJ

🇫🇲

Micronesia

FM

View all countries in Oceania

Example Code

96910

5 characters

Country Facts

Continent
Oceania
ISO Alpha-2
GU
Admin Levels
1

On This Page

OverviewMap & Post OfficesAbout the SystemZIP code formatAdmin HierarchyProvinces DirectoryAddress GuideDelivery TipsShipping InfoFAQRelated Countries

Free ZIP codes tools

Look up, validate, and download Guam ZIP codes.

ZIP code lookup Address Validator Download PDF