Sri Lanka Postal codes
śrī laṃkāva
1.9K
5 chars
9
4
Interactive Map
Explore Sri Lanka's 9 provinces with our interactive map.
Find Post Offices
Locate post offices across Sri Lanka. Find addresses and contact information.
Understanding Sri Lanka Postal codes
Registered letters to Sri Lanka need a compliant five-digit postcode (00100); LK clerks file items into the correct route bags using that field first.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Postal code format breakdown
Sri Lanka uses numeric postal codes with 5 digits (example: 00100). In our directory, these codes are organized from provinces down to villages.
Visual Structure
Registered letters to Sri Lanka need a compliant five-digit postcode (00100); LK clerks file items into the correct route bags using that field first.
Administrative Hierarchy
How Sri Lanka organises areas for postal codes
Provinces Directory
Browse all 9 top-level divisions
Addressing Mail to Sri Lanka
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Delivery Best Practices
Tips for successful mail and package delivery
Always verify the postal code
Verify your postal 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 postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
Shipping to Sri Lanka
What to know when sending packages
Standard domestic delivery within Sri Lanka typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 5-character code for fastest routing.
Frequently Asked Questions
Common questions about Sri Lanka postal codes
What is the postal code format for Sri Lanka?
Sri Lanka uses 5 digits in the postal code. An example is 00100. Registered letters to Sri Lanka need a compliant five-digit postcode (00100); LK clerks file items into the correct route bags using that field first.
How many provinces does Sri Lanka have?
Sri Lanka has 9 provinces with postal code coverage. Use our browse tool to explore them.
How do I find my postal code in Sri Lanka?
Use our free lookup or browse by province to find the exact postal code for your location.
Where do I write the postal code on a Sri Lanka address?
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.