Duane Espiritu

@diddledan, yeah it works, i also use this return $alphabet . ',#1234567890';
but i want this # to be on the first, i mean before the A how can i do that?

So i added this code

add_filter( 'a-z-listing-alphabet', 'your_alphabet_filter' );

function your_alphaber_filter( $alphabet ) {
    return $alphabet . ',1,2,3,4,5,6,7,8,9,0';
}

in my theme’s functions.php
but nothing happen, still no numbers
sorry for my english xD