Website to search for zip codes - Spain

I need a web developer to make a website to search for zip codes with the option of: Search for full code Search for at least 2 digits Search by drop-down menu - City - County - District or place the name of the street The result will show the streets that belong to that code And show google map In the google map to be able to show pharmacies, restaurants, gas stations or the like And That I can add any main place additional in google map We will provide the database. Web example: http://www . po st oo . com