Los Osos Post Office

1189 Los Osos Valley Rd, Los Osos, CA 93402

Contact Numbers

Phone: 805-528-6927
Fax: 805-545-0812
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 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 2:00pm
Sunday Closed

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

  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

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:

Morro Bay
898 Napa Ave
2.4 miles away

San Luis Obispo
1655 Dalidio Dr
6.3 miles away

97 Ash Ave
6.3 miles away

Avila Beach
191 San Miguel
6.5 miles away


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Are you able to deliver my mail to the front door of my house? instead of the street side mail box I am on oxygen and have a hard time walking for mail pickup


I want all deliveries to go to back door of the house. I’m recovering from a pelvic fracture can walk to the front of hoise


A little pre notice that they r closing at 5 rather than 5:30-& they were emptying the front boxes at 5 o'clock so what's the last pic up at 5:30 on ur schedule there!! And we mailed off a package after 5 just last week-a little consideration & not laughing at u saying they were closed at 5 now!!

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