25 Th Avenue Post Office

135 W 25 Th Ave San Mateo, CA 94403
Phone: 650-358-8476

Parking: Street Parking
Post Office Lobby Hours
Monday 12:01am - 11:59pm
Tuesday 12:01am - 11:59pm
Wednesday 12:01am - 11:59pm
Thursday 12:01am - 11:59pm
Friday 12:01am - 11:59pm
Saturday 12:01am - 11:59pm
Sunday 12:01am - 11:59pm


25 Th Avenue Post Office is a United States Postal Service (USPS) facility in San Mateo, CA. This post office offers a full array of services, including package delivery and first class mail.


Duck Stamps
Greeting Card Services
Global Express Guranteed®
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
PO Boxes
Priority Mail International®

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