prefix_created_customer.php

<?php
/**
 * Get the user's location and populate the address
 */
function prefix_created_customer( $user_id ) {
	
	// Lcoation field ID
	$field_id = '4171f87f';
	
	// Get the location
	$main_account_id = get_user_meta( $user_id, $field_id, true );
	
	// Get the main billing address
	$address_fields = array(
		'billing_company',
		'billing_address_1',
		'billing_address_2',
		'billing_city',
		'billing_state',
		'billing_country',
		'billing_postcode',
		'billing_phone',
		'shipping_company',
		'shipping_address_1',
		'shipping_address_2',
		'shipping_city',
		'shipping_state',
		'shipping_country',
		'shipping_postcode',
		'shipping_phone'
	);
	foreach( $address_fields as $address_field ) {
		$address_item = get_user_meta( $main_account_id, $address_field, true );
		update_user_meta( $user_id, $address_field, $address_item );
	}
		
}
add_action( 'woocommerce_created_customer', 'prefix_created_customer', 1000 );