Grossmont Post Office
5500 Grossmont Center Dr Ste 440, La Mesa, CA 91942
Phone: 619-460-4659
Fax: 619-460-2378
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 5:15pm
Tuesday 5:15pm
Wednesday 5:15pm
Thursday 5:15pm
Friday 5:15pm
Saturday 3:30pm
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Sure Money
- Street Parking
Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.
*Please call to verify information. Is anything incorrect? Let us know here
Nearby Post Offices:
La Mesa Annex
6055 Lake Murray Blvd
0.5 mile away
La Mesa Finance
8064 Allison Ave
0.5 mile away
Navajo
6519 Bisby Lake Ave
0.9 mile away
Lemon Grove
7938 Broadway
1.5 miles away
San Diego County