Heiyanthuduwa postcode information
11618 is the five-digit postal code listed for Heiyanthuduwa, Gampaha District. If you searched for “Heiyanthuduwa postcode” or “Heiyanthuduwa ZIP code”, this is the postal-code value used for the locality in Sri Lanka.
Postal localityHeiyanthuduwa
Postal code11618
DistrictGampaha
ProvinceWestern
CountrySri Lanka
Entry typePost office / postal locality
How to write an address for Heiyanthuduwa
Place the five-digit postcode with the destination locality in the postal address. A simple format is:
Recipient NameStreet / Address LineHeiyanthuduwa 11618Sri Lanka
Source: Sri Lanka Department of Posts — Post Code Directory. Nation.lk republishes the postal-code entry as an independent reference and is not an official Sri Lanka Post website. Sri Lanka Post states that Sri Lankan postcodes use five digits. When an address is uncertain, verify the destination postcode with the Department of Posts.