Smart search the application form

Have a website – maxandreev.com/onlime/
In the 2nd block, where the "Check connection" it is necessary to make an intelligent search addresses in the field (After the inputs of two symbols, a tooltip will show the address on this letter).
All addresses are stored to Excel dropmefiles.com/PTj8h (possible to sortirovani in the DB)
An example of how this is implemented can be viewed on the website – (There in the 2nd unit the same way).

The expected cost, timing (need it today), examples of work, if available.