Magento – Get Customer Details By Zipcode

<?php
$zip = "10001";
if(!empty($zip)) { $collection=Mage::getModel('customer/address')->getCollection()->addAttributeToSelect('name')->addAttributeToFilter('postcode', $zip); }


foreach($collection as $record){
$prime_collection=Mage::getModel('customer/customer')->load($record['parent_id']);
                echo $prime_collection->getFirstname();
                echo $prime_collection->getLastname();
                echo $prime_collection->getEmail();
}
?>