San Ysidro Post Office

440 W San Ysidro Blvd, San Ysidro, CA 92173

Contact Numbers

Phone: 619-428-2387
Fax: 619-428-6854
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 5:00am - 6:00pm
Tuesday 5:00am - 6:00pm
Wednesday 5:00am - 6:00pm
Thursday 5:00am - 6:00pm
Friday 5:00am - 6:00pm
Saturday 5:00am - 4:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • 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 links to 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:

Otay Mesa Annex
2960 Fern Ave
1.0 miles away

Otay Mesa
650 Dennery Rd Ste 102
1.3 miles away

Rancho Del Rey
340 Oxford St
2.3 miles away

Imperial Beach
946 Donax Ave
2.6 miles away

Reviews

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I am interested in renting a po box to receive correspondence and purchases that price has for six months and a year thanks.
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This post office location has a reputation for carelessly distributing mail into the wrong boxes. I myself consistently get mail clearly addressed to other people in my box. Right now I have an item that I ordered from Ebay and the sender has proof that it was delivered, but I have never received it. Not sure if a postal employee took it or if it got put into the wrong box and that person took it. Sad situation when you pay for a box and than get ripped off on top of it all :(
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Please how can I buy a PO Box in your office. Thank you
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So we got a paper bag on the week, it was for food was due today May 14, we left the bag next to our mailbox but the mail man didn't take it w him
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a big mistake sent by USPS9405509699938175677096 ... where is this package?nobody takes responsibility to say where this ...this sucks
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Hi I like to know about a package that e send its out for delivery but I just found out the the person is no longer at this location
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