What ZIP Code are you mailing from? What ZIP Code are you mailing to? What's the value of the item being mailed? For letter-shaped mail, value must be $0.00. What's the Date you plan to mail the item? Postal codes in Sri Lanka are five digit numbers used by Sri Lanka Postal Service, that identifies each postal jurisdiction to sort mail more efficiently. They were first introduced in 1997. Codes. Province District City Post Code Eastern: Ampara: Ampara: 32000 Eastern: Kattankudy This is an online tool (Mashup) to search postal code of a place, address or city in Indonesia. Select the name of the Place/Address/City (in Indonesia) from the suggested list. This will display the postal code of the selected location from Indonesia on Google map. Note that the postal code may be searched with nearby approximation.