Seal Beach Tennis Center
3900 Lampson Ave, Seal Beach, CA
If you're ever in the Long Beach area, El Dorado Tennis center has twilight tennis Fri (6:30 - close), Sat (5:30- close), Sun (5:30 - close) for $7. Their number is 562.425.0553.
I'm also looking for people to hit in the Irvine area after work
EDIT: I forgot to add the WTT league in Irvine...