When outdated search results linger, your approach depends on site ownership....

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

When outdated search results linger, your approach depends on site ownership. If you control the site, ensure the page returns a proper 404/410 status; Google will eventually drop it