Belmont Post Office

640 Masonic Way, Belmont, CA 94002

Contact Numbers

Phone: 650-591-9588
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
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

Last Collection Times

Monday 6:00pm
Tuesday 6:00pm
Wednesday 6:00pm
Thursday 6:00pm
Friday 6:00pm
Saturday 5:00pm
Sunday Closed

Passport Walk-In Hours

Monday Closed
Tuesday Closed
Wednesday Closed
Thursday 9:00am - 12:00pm
Friday Closed
Saturday Closed
Sunday Closed

Passport Appointment Hours

Monday 9:00am - 2:00pm
Tuesday 9:00am - 2:00pm
Wednesday 9:00am - 2:00pm
Thursday 9:00am - 2:00pm
Friday 9:00am - 2:00pm
Saturday Closed
Sunday Closed


*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 10:00am - 2:00pm, 3:00pm - 3:30pm
Tuesday 10:00am - 2:00pm, 3:00pm - 3:30pm
Wednesday 10:00am - 2:00pm, 3:00pm - 3:30pm
Thursday 10:00am - 2:00pm, 3:00pm - 3:30pm
Friday 10:00am - 2:00pm, 3:00pm - 3:30pm
Saturday Closed
Sunday Closed


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:

San Carlos
809 Laurel St
1.0 miles away

Foster City
750 Alma Ln Ste 100
1.5 miles away

25th Avenue
135 W 25th Ave
1.6 miles away

San Mateo
1630 S Delaware St
1.9 miles away

Reviews

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I sent two emails to the postmaster listed on their website - - and they bounced back. I just called and no one answers the phone.
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Everything is run on Filipino Time. Lower your expectations.
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Post offices don't pick up the phone (yes, intentionally). You have to go there and make appointment in person, the first one available is usually in 2-3 weeks.
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It would be very helpful if you could add some additional information on your website regarding exactly how to make an appointment for passport services." *This Post Office requires you to make an appointment to apply for or renew US Passports" does not shed any light on how I can make an appointment.Just a suggestion here. I'm going to assuming that I have to call in order to make the appointment.
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I recently visited the Belmont post office at 640 Masonic Way and was helped by GRACIE. She was extremely helpful and professional and took the time to help me fill out a customs form that was somewhat confusing. Just wanted to say THANK YOU Gracie for your help!
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