Foster City New Post Office
is currently open
This USPS post office is located in San Mateo, CA where the date and time is currently: 4/3/2026, 3:55:12 PM
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Retail Hours
| Day | Open | Close |
|---|---|---|
| Monday | 8:30 AM | 5:00 PM |
| Tuesday | 8:30 AM | 5:00 PM |
| Wednesday | 8:30 AM | 5:00 PM |
| Thursday | 8:30 AM | 5:00 PM |
| Friday | 8:30 AM | 5:00 PM |
| Saturday | 9:00 AM | 2:00 PM |
| Sunday | Closed | |
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Phone numbers
- Phone:650-358-8490
- Fax: 650-349-9726
Services at Foster City New Post Office
No dedicated parking. Here's what you can do at this location:
Shipping
- Label Broker
- For online sellers: give your customers a Label Broker ID or QR code so they can print a prepaid USPS return label at this post office — no printer needed.
- Priority Mail International
- Affordable international shipping with delivery in 6–10 business days to most countries. Includes tracking and insurance up to $200.
PO Box & Mail
- Accountable Mail Pickup
- Pick up items that require a signature: Certified Mail, Registered Mail, Collect on Delivery, insured packages, and Signature Confirmation items.
- Hold Mail Pickup
- Pick up mail that USPS has been holding while you were away. You can request a hold for up to 30 days through usps.com or at the counter.
- Package Pickup (Notice Left)
- Pick up a package that couldn't be delivered — the carrier left a slip at your door. Bring the notice and a valid ID.
- PO Box (Online Management)
- Rent a PO Box and manage billing online. A PO Box gives you a secure, private mailing address — useful if you run a business or want to separate personal and business mail.
Money & Financial
- Domestic Money Orders
- Purchase money orders up to $1,000 each — a secure way to send payments without a bank account. Accepted nearly everywhere and traceable if lost.
- International Money Orders
- Send money orders to other countries through the USPS international network. Available for select countries with limits that vary by destination.
Other Services
- Customer Service Referrals
- Staff can help answer questions or direct you to the right resource for issues with mail delivery, address changes, or other USPS services.