How to get city state and country using zip code from geocode api

I am facing issue regarding geocoding ,whenever i put zip code in my text field its only fetch me city state and country of USA .When i put any other zip code it is not working ,i think there is issue regarding my script source . Can anybody help me regarding this matter.

   <script language="javascript" src="https://maps.google.com/maps/api/js? 
   sensor=false&key=my_api"> 
    </script>

function getLocation(){
    getAddressInfoByZip(document.getElementById('zip_id').value);

}

function response(obj){
    console.log(obj);
}
function getAddressInfoByZip(zip){
    if(zip.length >= 5 && typeof google != 'undefined'){
        var addr = {};
        var geocoder = new google.maps.Geocoder();
        geocoder.geocode({ 'address': zip }, function(results, status){
            if (status == google.maps.GeocoderStatus.OK){
                if (results.length >= 1) {
                    for (var ii = 0; ii < results[0].address_components.length; ii++){
                        var street_number = route = street = city = state = zipcode = country 
= formatted_address = '';
                        var types = results[0].address_components[ii].types.join(",");
                        if (types == "street_number"){
                            addr.street_number = results[0].address_components[ii].long_name;
                        }
                        if (types == "route" || types == "point_of_interest,establishment"){
                            addr.route = results[0].address_components[ii].long_name;
                        }
                        if (types == "sublocality,political" || types == "locality,political" 

|| types == "neighborhood,political" || types == "administrative_area_level_3,political"){ addr.city = (city == '' || types == "locality,political") ? results[0].address_components[ii].long_name : city; } if (types == "administrative_area_level_1,political"){ addr.state = results[0].address_components[ii].short_name; } if (types == "postal_code" || types == "postal_code_prefix,postal_code"){ addr.zipcode = results[0].address_components[ii].long_name; } if (types == "country,political"){ addr.country = results[0].address_components[ii].long_name; } } document.getElementById('country').value=addr.country; document.getElementById('state').value=addr.state; document.getElementById('city').value=addr.city; addr.success = true; for (name in addr){ console.log('### google maps api ### ' + name + ': ' + addr[name] ); } response(addr); } else { response({success:false}); } } else { response({success:false}); } }); } else { response({success:false}); } }

via Chebli Mohamed