add_filter( ‘wc_city_select_cities’, ‘my_cities’ );
/**
* Replace XX with the country code. Instead of YYY, ZZZ use actual state codes.
*/
function my_cities( $cities ) {
$cities[‘XX’] = array(
‘YYY’ => array(
‘City ‘,
‘Another City’
),
‘ZZZ’ => array(
‘City 3’,
‘City 4’
)
);
return $cities;
}