Post Offices

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

Simi Valley Post Office

Post Office in Simi Valley, California on Galena Ave. Operating hours, phone number, services information, and other locations.

Address: 2551 Galena Ave, Simi Valley, CA 93065
Phone: 805-526-9819
Fax: 805-526-1681
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm
Saturday 9:00am - 3:00pm
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday Closed

Last Collection Times

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 3:00pm
Sunday Closed

Chatsworth Post Office

Address: 21606 Devonshire St, Chatsworth, CA 91311
Phone: 818-734-8008
Fax: 818-773-0408
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

West Hill Post Office

Address: 23055 Sherman Way, West Hills, CA 91307
Phone: 818-704-1472
Fax: 818-704-5647
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Canoga Park Post Office

Address: 8201 Canoga Ave, Canoga Park, CA 91304
Phone: 818-340-6741
Fax: 818-347-1026
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Challenger Post Office

Address: 21801 Sherman Way, Canoga Park, CA 91303
Phone: 818-340-6741
Fax: 818-347-1026
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Winnetka Post Office

Address: 7655 Winnetka Ave, Winnetka, CA 91306
Phone: 818-773-0028
Fax: 818-347-1026
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Mount Mccoy Post Office

Address: 225 Simi Village Dr, Simi Valley, CA 93065
Phone: 805-584-0278
Fax: 805-584-1104
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Ranch Post Office

Address: 19300 Rinaldi St, Porter Ranch, CA 91326
Phone: 818-349-0331
Fax: 818-407-1569
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Woodland Hill Post Office

Address: 21200 Oxnard St, Woodland Hills, CA 91367
Phone: 818-340-0014
Fax: 818-340-0067
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Calabasa Post Office

Address: 4774 Park Granada Ste 10, Calabasas, CA 91302
Phone: 818-348-3226
Fax: 818-340-0176
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Northridg Post Office

Address: 9534 Reseda Blvd, Northridge, CA 91324
Phone: 818-349-0331
Fax: 818-407-1569
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457