Post Offices
Post Offices in & near Mount Helix, California. Operating hours, locations, phone/fax number, services information.
Spring Valley Casa De Or Post Office
Spring Valley Casa De Oro Post Office in Spring Valley, California on Campo Rd Ste 165. Operating hours, phone number, services information, and other locations.
Address: 9805 Campo Rd Ste 165, Spring Valley, CA 91977
Phone: 619-660-5728
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 1:00pm, 1:30pm - 5:00pmTuesday 10:00am - 1:00pm, 1:30pm - 5:00pm
Wednesday 10:00am - 1:00pm, 1:30pm - 5:00pm
Thursday 10:00am - 1:00pm, 1:30pm - 5:00pm
Friday 10:00am - 1:00pm, 1:30pm - 5:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:30pm
Sunday Closed
El Cajon Post Office
Address: 401 W Lexington Ave, El Cajon, CA 92020
Phone: 619-588-8665
Fax: 619-442-2811
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Grossmon Post Office
Address: 5500 Grossmont Center Dr Ste 440, La Mesa, CA 91942
Phone: 619-460-4659
Fax: 619-460-2378
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
La Mesa Annex Post Office
Address: 6055 Lake Murray Blvd, La Mesa, CA 91942
Phone: 619-460-4659
Fax: 619-460-3226
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
La Mesa Finan Post Office
Address: 8064 Allison Ave, La Mesa, CA 91942
Phone: 619-460-4659
Fax: 619-463-1169
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
La Mesa Post Office
Address: 10174 Austin Dr, Spring Valley, CA 91977
Phone: 619-660-5728
Fax: 619-670-6085
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457