To increase the chances of unblocking your page, make sure you're following Facebook's guidelines:
Unblock a Facebook profile, Page, or nickname | Facebook Help Center
: Scroll down and select Settings & privacy , then tap Settings . unblock a facebook page
If you meant (e.g., it was restricted or disabled by Facebook), that’s a different process—let me know, and I can explain that too.
: Under the Audience and visibility section, tap on Blocking . To increase the chances of unblocking your page,
: Tap your profile picture or the Menu icon in the top right (or bottom right on iOS) of Facebook.
Here are the step-by-step instructions (no post required): : Tap your profile picture or the Menu
The term "unblock" can refer to several distinct scenarios. Identifying yours is key to fixing it. www.facebook.comhttps://www.facebook.com
To unblock a Facebook Page that you previously blocked from your personal account, follow these steps: How to Unblock a Page
Scroll down and tap Settings & Privacy , then tap Settings .
Find the Page name and click Unblock next to it, then click Confirm . On Mobile (Facebook App)