Reporting a wrong figure
Tell us the page, the entry and what is wrong, plus a link to anything that shows it if you have one. If you are right, we fix it and the change appears in that page's update log. Email {EMAIL}.
Suggesting a directory
Use the suggest a directory page. It lists everything we need to check a site, which saves a round of emails back and forth.
Press and everything else
Email {EMAIL}. We read every message, though a reply can take a while.