Spring Valley Casa De Oro
Post Office — Spring Valley, CA
Address & Contact
9805 Campo Rd Ste 165
Spring Valley, CA 91977
TTY: 877-889-2457
Parking: Street Parking Available
Get directions →Hours
- Retail Hours
- Mon-Fri 10:00am - 1:00pm 1:30pm - 5:00pm, Sat-Sun Closed
- Lobby Hours
- Mon-Sun 12:01am - 11:59pm
- PO Box Access
- Mon-Sun 12:01am - 11:59pm
- PO Box Delivery
- Mon-Sat 10:00am, Sun Closed
Show all hours →
- Pickup Services
- Mon-Fri 10:00am - 1:00pm 1:30pm - 5:00pm, Sat-Sun Closed
Services
Apply for a PO Box
Compare box sizes and pricing, and see what you need to apply.
Hold Mail Service
Pause mail delivery for up to 30 days, free, while you're away.
Change of Address
File your address change directly with USPS to forward your mail.
Nearby Post Offices
Helpful guides
Money Orders
Money orders are a safe way to send payments through the mail. See current fees and maximum amounts.
Post Office Holiday Schedule
Post offices close for all federal holidays. See this year's full schedule so you can plan ahead.
Post Office Weekend Hours
Weekend hours vary a lot by location. See typical Saturday and Sunday patterns before you visit.
Information last verified July 31, 2026. Always confirm details directly with the office before visiting.