> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.quantumdigital.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How often is your national mailing list updated?

We receive a complete update of our national list from our partner every six weeks.