Post Offices

Post Offices in & near Castaic, California. Operating hours, locations, phone/fax number, services information.

Casta Post Office

Castaic Post Office in Santa Clarita, California on Franklin Pkwy. Operating hours, phone number, services information, and other locations.

Address: 28201 Franklin Pkwy, Santa Clarita, CA 91383
Phone: 661-775-7166
Fax: 661-775-7199
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 10:00am - 6:00pm
Tuesday 10:00am - 6:00pm
Wednesday 10:00am - 6:00pm
Thursday 10:00am - 6:00pm
Friday 10:00am - 6:00pm
Saturday 9:00am - 5:00pm
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

Last Collection Times

Monday Closed
Tuesday 10:00am - 6:00pm
Wednesday 10:00am - 6:00pm
Thursday 10:00am - 6:00pm
Friday 10:00am - 6:00pm
Saturday 9:00am - 5:00pm
Sunday Closed