First, I am not a mod or anyone in authority.
Not trying to be a dick. But, you did post this question. Which means you created a post! :-)
Ladies can post in certain forums. I suspect you're asking "where can I post ads?" and to answer that, you can't. Please click this link and read the official notice.
https://www.eccie.net/showthread.php?t=2662141
Now, what some providers do is post hobby related social discussion questions in a forum called "Coed Discussions". Here's the one for Dallas.
https://www.eccie.net/forumdisplay.php?f=28
There's also ladies only areas, where providers can discuss things without us dudes seeing. Someone else will have to tell you more about those.