Regus - Costa Mesa - Plaza Tower 600 Anton BoulevardPlaza Tower I, 11th FloorCosta Mesa, CA, 92626 View Phone 714-371-4000 Fax: 714-371-4001 600 Anton Boulevard, Plaza Tower I, 11th FloorCosta Mesa, CA 92626 View Website Experience & Reliability About Connect with this Business: Send to My Email Send to My Phone Print this Page