Post Offices

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

Altadena Post Office

Post Office in Altadena, California on Lake Ave. Operating hours, phone number, services information, and other locations.

Address: 2271 Lake Ave, Altadena, CA 91001
Phone: 626-794-7618
Fax: 626-794-8271
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 10:00am - 5:00pm
Tuesday 10:00am - 5:00pm
Wednesday 10:00am - 5:00pm
Thursday 10:00am - 5:00pm
Friday 10:00am - 5:00pm
Saturday 10:00am - 3:00pm
Sunday Closed

Lobby Hours

Monday 6:00am - 6:00pm
Tuesday 6:00am - 6:00pm
Wednesday 6:00am - 6:00pm
Thursday 6:00am - 6:00pm
Friday 6:00am - 6:00pm
Saturday 6:00am - 3:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed