An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

MailCodes and Addresses for EPA Region 6

The attached document contains EPA Region 6 Local MailCodes by organizational unit to assist when attempting to communicate in writing with EPA Regional 6 personnel.   Beginning on Page 4, the  file contains the August 23, 2019 federal register notice (84 FR 44225) updating mailing addresses across all relevant Code of Federal Register documents with the mailing address for EPA Region 6.  These are provided for the convenience of the user only.  

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.