Filter the vendor address on the vendor list page only.

functions.php

<?php 
// Add this to your themes functions.php and replace the page number with yours 
// as this will then only filter the address on this page and not sidewide
add_filter( 'wcv_format_store_address_args', 'my_wcv_format_store_address', 11, 2 );
function my_wcv_format_store_address( $address_args, $vendor_id ) {
	// Change this number to the page id of your vendor list page. 
	if ( is_page( '394') ){
		unset( $address_args['address1']);
		unset( $address_args['postcode']);
		unset( $address_args['country']);
	}
	return $address_args;
}