There are two ways you can find and view a HomeAway listing when you know the listing number:

Use the direct URL for the listing
Paste the URL below into your browser and put the vacation rental listing ID in place of the Xs.
http://www.homeaway.com/vacation-rental/pXXXXX

Go to HomeAway.com and enter the vacation rental listing ID number in the white search box
Then click the “Search” button.