recording calls in Spanish repeatedly - this is illegal, right?  where is Obama when I need him?

I keep trying to call this number back and it says it's invalid

Message said it was an inmate at northwest.

I got am email about the call... It said... An inmate at North West Community Correctional Center this call to send you to recording and monitoring. To accept this. 3. Call press. One to refuse this pre call press. 2. If you would like to print it. We've lost your number from receiving calls from this facility, press 6 To accept this. 3. Call press. One to refuse this pre call press. 2. If you would like to print it. We've lost your number from receiving calls from this facility, press 6 The caller has hung up.

I have a government phone an this number called saying it was from an inmate i dont know anyone in prison sn when i call the number back it says its not a working number