If you need to scrub old search results, your first step is checking who owns...

https://www.scribd.com/document/1015962052/I-Removed-a-Phone-Number-From-a-Page-How-Do-I-Get-Google-to-Update-the-Snippet-168129

If you need to scrub old search results, your first step is checking who owns the page. If you control the site, update the content and use the "Refresh Outdated Content" tool to force an index update