you can search postal codes, phone area codes, road code names, bus route numbers with this app.
this app is a list of sri lankan codes use by the public.
this is also a sri lankan NIC number reader (national identity card reader) >you can get Date of birth of the card holder, Gender of the cardholder. this all functions are for sri lankan people.
you can get details of
+ sri lanka postal codes(zip codes/thepel anka)
+ sri lanka telephone area codes(colombo 011, dialog 077,etc....)
+sri lanka road code names and bus route numbers(A4=colombo-ratnapura, A1=colombo-kandy)
+can get Lanka ID Card Info(jathika hedhunumpath visthara) plus much more.
This works offline. users can search by the name or number. this app is useful if you live in sri lanka.