Mailing Address: County of Orange Attn: Treasurer-Tax Collector P.O. Box 1438 Santa Ana, CA 92702-1438 | Phone Number: (714) 834-3411 Customer Service Representatives, (M-F 9am-5pm) Automated Information (24 hours, 7 days a week) | Fax Number: (714) 834-5361 | E-mail: ttcinfo@ttc.ocgov.com (Please include APN or property address in your e-mail) |