Sri Lanka Address Format Guide: Structure & Examples

Updated: April 3, 2026
Table of Contents

Sri Lanka Address Format Guide

In this comprehensive guide, we’ll explore the standard address format used in Sri Lanka. Whether you’re shipping packages, sending mail, or validating addresses for your business, understanding the proper address structure is essential for successful deliveries. We’ll cover the basic elements, provide examples, and explain how GeoPostcodes can help with address validation.

Sri Lanka - Address Format

An address format in Sri Lanka contains the following elements:

  1. Recipient’s name
  2. Business or department name (if applicable)
  3. House Number and Street Name
  4. City Name and Postal Code (5 digits)
  5. Country – SRI LANKA (in all caps)

John Smith
42 Freeman Mawatha
Anuradhapura 50000
SRI LANKA

Sri Lanka Address Format Examples

Example 1:

John Smith
67 & 69 Greens Rd
Negombo 11500
SRI LANKA

Example 2:

Sri Lanka Post Office
No: 3/2 K. David Ave
Colombo 01000
SRI LANKA

Postal and Country Information for Sri Lanka

Country/territory name Sri Lanka
ISO codes ISO 3166-1 alpha-2: LK
ISO 3166-1 alpha-3: LKA
ISO 3166-1 numeric-1: 144
Administrative area count 9
Administration area names and abbreviations
  • Central
  • Eastern
  • North Central
  • Northern
  • North Western
  • Sabaragamuwa
  • Southern
  • Uva
  • Western
  • 2
  • 5
  • 7
  • 4
  • 6
  • 9
  • 3
  • 8
  • 1
Term to describe postal codes Postal code
Postal code format 99999
Population 21 937 351
Total land area 65 974km²

How to Validate Addresses for Sri Lanka Using GeoPostcodes Database

GeoPostcodes offers comprehensive address validation database to validate Sri Lanka addresses. Our database ensures addresses follow the correct format for Sri Lanka, reducing delivery errors and improving efficiency.

Use GeoPostcodes:

  • Postal Database if you only need to validate Cities and Postal Codes in Sri Lanka
  • Population Database if you would like to do urban/rural mapping or compute how many people live in Sri Lanka segmented by postal code, city or administrative divisions

You can leverage GeoPostcodes data to validate addresses in Sri Lanka using:

  • Region 2 column to validate City names*
  • Postcode column to validate Postal Codes

*Use Region 3 to validate Dehiwala, Negombo, Moratuwa and Kalmunai.