Show the order phone number in the woocommerce order list

gistfile1.php

// add the column, we need to display it, right?
function wc_order_extras_column_evd( $columns ) {
    $new_columns = array();
    foreach ( $columns as $column_name => $column_info ) {
        $new_columns[ $column_name ] = $column_info;
        if ( 'order_total' === $column_name ) {
            $new_columns['order_phone'] = __( 'Phone no.', 'rwky_ro' );
        }
    }
    return $new_columns;
}
add_filter( 'manage_edit-shop_order_columns', 'wc_order_extras_column_evd', 20 );


// let's fill the column with data
function wc_order_extras_evd( $column ) {
    global $post;
    if ( 'order_phone' === $column ) {
        $order    = wc_get_order( $post->ID );
        $order_data = $order->get_data(); // The Order data
        $client_phone_no = $order_data['billing']['phone'];
        echo $client_phone_no;
    }
}
add_action( 'manage_shop_order_posts_custom_column', 'wc_order_extras_evd' );