Post Offices
Post Offices in & near Grossmont, California. Operating hours, locations, phone/fax number, services information.
Grossmon Post Office
Grossmont Post Office in La Mesa, California on Grossmont Center Dr Ste 440. Operating hours, phone number, services information, and other locations.
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
Retail Hours
Monday 10:00am - 5:00pmTuesday 10:00am - 5:00pm
Wednesday 10:00am - 5:00pm
Thursday 10:00am - 5:00pm
Friday 10:00am - 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 5:15pmTuesday 5:15pm
Wednesday 5:15pm
Thursday 5:15pm
Friday 5:15pm
Saturday 3:30pm
Sunday Closed