$customerId = /* Required Customer ID */;
$customer = Mage::getModel('customer/customer')->load($customerId); // insert customer ID

foreach ($customer->getAddresses() as $address)
{
    $data = $address->toArray();
    var_dump($data);
}

$customerId = /* Required Customer ID */;
$customer = Mage::getModel('customer/customer')->load($customerId); // insert customer ID

$primaryBillingAddress = $customer->getPrimaryBillingAddress(); /* Primary Billing Address */
$primaryShippingAddress = $customer->getPrimaryShippingAddress(); /* Primary Shipping Address */

$defaultBillingAddress = $customer->getDefaultBillingAddress(); /* Default Billing Address */

$defaultShippingAddress = $customer->getDefaultShippingAddress(); /* Default Shipping Address */