Below is a link to the Oklahoma Lottery Commission's vendor list. It is in PDF format, so you will need Adobe Reader to view the file.

The document is sorted by city.

http://www.ok.gov/lottery/documents/Retail%20Locations%20by%20City.pdf

Tickets go on sale as early as 5am CDT tomorrow!!

Thanks for posting this. I went to 2 different stores this morning and they weren't selling them yet.