Kiribati ZIP Code Dataset

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

Kiribati's Postal Code Format

Kiribati uses a “Postcode” system, which is an alphanumeric format like KI0999, combining letters and numbers. This format consists of six characters. According to the GeoPostcodes world postal code database, Kiribati has 37 postal codes covering 38 regions and 196 towns. The local term for ‘postal code’ in Kiribati is Postcode. This system is different from the purely numeric US ZIP codes as Kiribati’s postal codes include letters and have six characters, whereas US ZIP codes are five digits long and purely numeric.
  • Postcode Format: KI0999

    • Alphanumeric format, 6 digits.
    • All mail addressed via Tarawa GPO
    • 37 postcodes covering 38 regions and 196 towns

    Examples: KI0104 - Gilbert Islands (Kiribati)

  • Structure of Postcodes

    • Format: KI0999, Alphanumeric
    • Hierarchical levels: All mail addressed via Tarawa GPO
  • Management & Authority

    Primary postal authority: The postal authority of Kiribati is Kiribati Postal Services. This is the official organization responsible for postal services in the country.
  • Addressing Standards

    • Common address format: [P.O. Box] [Box Number], [Locality], [POST TOWN]
    • Administrative divisions used:P.O. Box 1, BETIO, TARAWA

Our location dataset for Kiribati

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

Kiribati ZIP & Administrative boundaries

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

Kiribati 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

Kiribati Address Format

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

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

Address validation - Kiribati address validation

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

Coverage Statistics

37

Total ZIP Codes

38

Provinces & Territories

196

Cities & Towns

Available File Formats

Choose from multiple data formats to seamlessly integrate Kiribati 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 Kiribati 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 Kiribati postal code dataset.
Updated: April 1, 2026

Frequently Asked Questions

The ZIP code (postcode) for Tarawa is KI0999.
Kiribati postcodes follow the format KI0999 (two letters “KI” plus four digits). There is no standard five-digit ZIP code in Kiribati; use the full postcode like KI1234 or the four-digit numeric part (e.g., 1234) where required.
Yes. Kiribati uses postcodes (often referred to as ZIP codes) with the format KI0999 — “KI” followed by four digits — to identify localities across the islands.
Yes. Kiribati uses postcodes; the standard format is KI0999 (the country code “KI” followed by four digits).
No town in Kiribati has the ZIP code 12345; Kiribati postcodes follow the format KI0999, using a “KI” prefix followed by four digits.
Kiribati does not use U.S.-style ZIP codes; it uses postcodes for addressing, formatted as KI0999.
Yes. Kiribati uses a postcode system; postcodes follow the format KI0999 and are used for addressing across its cities.
The country code “KI” is often mistaken for the ZIP code in Kiribati; Kiribati postcodes follow the format KI0999.

Format an address with one line for the recipient and subsequent lines for locality, island and postcode. Example:
Recipient Name
House number, Street or Village (or PO Box)
Island Name
Postcode KI0999
KIRIBATI

Kiribati does not have a single ZIP code; postcodes vary by locality and follow the format KI0999. Use the specific postcode for the town or island when addressing mail.
The postal code format in Kiribati is KI followed by four digits (example: KI0999). The code is referred to as a postcode.
A ZIP code (postcode) in Kiribati uses four digits; the format is KI0999 (country code “KI” followed by four digits).
Addresses in Kiribati typically do not include ZIP codes; most mail is routed by island/town and PO Box. When used, the postcode format is KI0999 and may appear on addresses.