Keep all five digits
Do not remove leading zeroes. A code such as 00800 must stay five digits.
Search by town, city, post office, district or five-digit postal code. Postal codes are shown in a large, easy-to-copy format on mobile and desktop.
Choose one of Sri Lanka’s 25 districts, or search the whole country above.
Official directory build
Part 1 contains the first 1,000 entries from the Sri Lanka Department of Posts Post Code Directory, from Achchuvely through Lenadora, with one physical static SEO page per locality/post office.
Colombo city zone numbers use five-digit postcodes. Leading zeroes matter: Colombo 08 is 00800, not 800.
Sri Lanka Post introduced the postcode system in 1997 to improve mail sorting. The system uses a five-digit number to direct mail toward the correct postal destination.
Do not remove leading zeroes. A code such as 00800 must stay five digits.
Place names can repeat in Sri Lanka, so district and postcode context help distinguish destinations.
If a postcode is uncertain, confirm it with Sri Lanka Post or the relevant post office rather than guessing.
Quick answers to common postcode and ZIP-code searches.
Sri Lanka uses postal codes (postcodes). If an online form labels the field “ZIP code,” enter the relevant five-digit Sri Lanka postcode.
Five digits. Preserve any leading zeroes, especially for Colombo city zones.
Colombo 07 uses 00700.
No. Nation.lk is an independent reference directory. The Department of Posts is the authoritative source.