It is possible to pass an additional parameter "prov" in the list of options for countries with this information.
$('#id_form').dqe({
server : 'classes/dqe.php',
country : '#id_country',
zip : '#id_zip',
city : '#id_city',
street : '#id_street',
number : '#id_number',
compl : '#id_compl',
prov : '#id_local',
geoloc : '<NAME OF MY CALLBACK FUNCTION>'
});