Samoa ZIP Code Dataset

Comprehensive Samoa ZIP code data with accurate geographic coordinates, administrative divisions, and time zone

Samoa's Postal Code Format

Samoa utilizes a “Postcode” system, with a format of WS9999. This is an alphanumeric format, combining letters and numbers, which distinguishes it from the purely numeric US ZIP codes. Within the world postal code landscape, the country’s system has 1 postal code, 14 regions, and 14 towns. The local term for ‘postal code’ in Samoa is Postcode.
  • Postcode Format: WS9999

    • Alphanumeric format, 6 characters
    • All mail directed to P.O. Boxes
    • I'm still learning and can't help with that. Do you need help with anything else?
    • 224 postcodes covering 54 regions and 428 towns

    Examples: 96799 - A'ana (Samoa)

  • Structure of Postcodes

    • Format: WS9999, Alphanumeric
    • Hierarchical levels: All mail directed to P.O. Boxes
  • Management & Authority

    Primary postal authority: The primary postal authority for Samoa is Samoa Post, which can be found at www.samoapost.ws.
  • Addressing Standards

    • Common address format: [P.O. Box] [Number], [APIA]
    • Administrative divisions used:P.O. Box 123, APIA

Our location dataset for Samoa

Explore our comprehensive collection of Samoa ZIP code and administrative data products, designed to meet all your mapping and location intelligence needs.

Samoa ZIP & Administrative boundaries

Comprehensive boundary data from GeoPostcodes for all Samoa postal codes, provinces, territories, and administrative divisions.

Samoa Administrative Divisions

The database follows a standardized and unified structure you can integrate without becoming an expert in each country’s unique administrative hierarchy.

Key Features:

  • 247 countries
  • Unified global hierarchy
  • Up to 5 administrative levels
  • Includes complex geographies

Samoa Address Format

The GeoPostcodes database ensures addresses follow the correct format for Samoa, ensuring a smooth address validation experience.

Our database offers comprehensive address validation to reduce delivery errors and improve efficiency.

Address validation - Samoa address validation

Comprehensive Samoa ZIP code, city, and address data to verify and correct existing addresses at input, post-entry, or in bulk.

Coverage Statistics

224

Total ZIP Codes

54

Provinces & Territories

428

Cities & Towns

Available File Formats

Choose from multiple data formats to seamlessly integrate Samoa postal code data into your systems
CSV Format

Comma-separated values for
spreadsheet applications and data analysis tools

GeoJSON Format

JavaScript Object Notation for
web applications and modern development

GML Format

Extensible Markup Language for enterprise systems and legacy applications

DAT Format

Database-ready SQL scripts for
direct import into your systems

Data Dictionary

Comprehensive field definitions and data specifications for the Samoa postal code dataset
Field nameField typeDescriptionComments
ISOChar(2)ISO 3166-1 Country codeThe ISO 3166-1 standard is published by the International Organization for Standardization (ISO) and defines a unique code for the name of each country. The country codes are represented as a two-letter code (alpha-2).
CountryChar(50)Country name
LanguageChar(2)Language codeWhen there are several official languages in the country, or for countries using a non-Latin alphabet, we provide the names in different languages. The language field contains the language code and allows you to select a specific version.
Region1
Region2
Region3
Region4
Char(80)
Administrative division level 1
Administrative division level 2
Administrative division level 3
Administrative division level 4
These fields contain the name of administrative divisions for each available level. If not applicable, the value '-' will be indicated.
LocalityChar(80)Locality nameContains the settlement name. The type of settlement may vary depending on the country (city, town, village, etc..).
PostcodeChar(15)ZIP / Postal codeIn countries/places where there is no postal code in use, this field is left empty. The postcode structure varies for each country.
Latitude
Longitude
DoublePlace coordinates (WGS84 coordinates)These fields contain the geographic coordinates related to the specific locality and postal code of the record. The geographical position is usually precise to about one hundred meters and corresponds to the center of the locality. All our files are created using the World Geodetic System standard WGS 84. The corresponding SRID reference is EPSG:4326.
TimezoneChar(30)Time zone name (Olson)Following the timezones defined in the IANA tz database (sometimes called Olson database).

Why choose GeoPostcodes

Global coverage

Complete coverage across 247 countries, including hard-to-source geographies like China, Japan, Brazil, and Russia.

Highest quality

Built on extensive, authoritative sourcing with robust data engineering and quality control. Standardized and up-to-date.

Expert Consulting

With 15 years of experience, we guide your implementation and deliver data in the format that fits your system.

Global Location Databases

Comprehensive location data products serving businesses, and
organizations worldwide with accurate, up-to-date geographic information.

Postal Code Database

Global dataset containing all administrative divisions, cities and zip codes.

Key features

  • 247 Countries
  • 9,9M Coordinates
  • 9,3M Postal Codes
  • 400 Time zones
  • 4M Cities and Towns
  • 116K UNLOCODES

Specifications

  • Coverage: Global
  • Format: CSV, ASC, DAT, GML, GeoJSON, KML, Shapefile (SHP)

Boundary Data

A global dataset of polygons representing postal codes and administrative areas.

Key features

  • 247 Countries
  • Up to 6 levels
  • 1,7M boundaries
  • High-precision
  • 245K Admin areas
  • Visualization

Specifications

  • Coverage: Global
  • Format: GeoJSON, Geopackage, KML, Shapefile (SHP)

Population Database

Global population estimates at postal code and administrative level covering a span of 55 years: past, present, and future.

Key features

  • 247 Countries
  • 243K Admin areas
  • 55 year span
  • Yearly updates
  • 645K ZIP codes

Specifications

  • Coverage: International
  • Format: CSV, ASC

Address Database

International dataset with all administrative areas, cities, streets, and relevant postal codes.

Key features

  • 81 Countries
  • 299 languages
  • 26,5M streets
  • 400 time zones
  • 9.3M ZIP codes
  • 4M cities

Specifications

  • Coverage: International
  • Format: CSV, ASC, DAT, GML, KML, Shapefile (SHP), GeoJSON

Ready to Get Started?

Download our sample Samoa postal code dataset.
Updated: April 1, 2026

Frequently Asked Questions

The ZIP code for Apia is WS2010.
Samoa postcodes follow the format WS9999 (the prefix “WS” plus four digits); for example, WS2000.
Yes. Samoa uses postcodes (sometimes referred to as ZIP codes) in the format WS9999, with “WS” followed by four digits serving the same function as a ZIP code.
Yes. Samoa uses postcodes in the format WS9999; these postcodes are used nationwide to identify towns, villages and districts for mail delivery.
No town in Samoa has the ZIP code 12345. Samoan postcodes use the format WS9999 (the “WS” prefix plus four digits), so 12345 is not a valid Samoan postcode.
No — Samoa uses postcodes in the format WS9999 (the letters “WS” plus four digits) rather than U.S.-style ZIP codes; mail is routed using these postcodes for addresses across Samoa.
Yes. Samoa uses a postcode (ZIP code) system; postcodes follow the format WS9999.
The country code “WS” is often mistaken for the ZIP code in Samoa.
Write addresses in this order: recipient, street number/name or P.O. Box, village/suburb and district, island (if needed), Postcode, SAMOA.

Recipient Name
Street number and name or P.O. Box
Village/Suburb, District
Island (Upolu or Savai’i) (optional)
Postcode WS1234
SAMOA

Samoa does not have a single ZIP code; postal codes (postcodes) are assigned by locality and follow the format WS9999.
The postal code format in Samoa is WS followed by four digits, for example WS1234.
A ZIP code (postcode) in Samoa contains four digits, formatted with the “WS” prefix followed by four numbers (e.g., WS1234).
Yes. Addresses in Samoa include a postcode (term: Postcode) in the format WS9999; it is typically placed after the town or village and before the country name (Samoa) in the address.