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DIABLO

Post Office™
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1701 EL NIDO
DIABLO, CA 94528-9800

Open now | Closes 4:30 pm

Friday

9:00 am - 12:00 pm
1:00 pm - 4:30 pm

Saturday

9:00 am - 12:00 pm

Sunday

Closed

Monday

9:00 am - 12:00 pm
1:00 pm - 4:30 pm

Tuesday

9:00 am - 12:00 pm
1:00 pm - 4:30 pm

Wednesday

9:00 am - 12:00 pm
1:00 pm - 4:30 pm

Thursday

9:00 am - 12:00 pm
1:00 pm - 4:30 pm

See More Hours

1-800-ASK-USPS® | 800-275-8777
Phone | 925-837-3800
TTY | 877-889-2457

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Services at the Diablo Post Office

Service hours may vary. For all location services, see all hours.

  • Greeting Card Services
  • Domestic Money Orders
  • Inquiry Money Orders
  • Duck Stamps
  • General Delivery
  • Retail Label Broker®
  • Priority Mail International®
  • PO Box™ Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Business Reply Mail® Account Balance
  • Business Reply Mail® New Permit
  • Call Referral
  • In-Person Proofing Basic

*These services require an appointment or invitation.

Bulk Mail Acceptance

Mon-Fri 9:00 am-1:00 pm

Sat Closed

Sun Closed

Retail

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-4:30 pm

Sat 9:00 am-12:00 pm

Sun Closed

Call Referral

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-4:00 pm

Sat Closed

Sun Closed

Last Collection

Mon-Fri 4:00 pm

Sat Closed

Sun Closed

Passport Appointments 

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-3:00 pm

Sat Closed

Sun Closed

Schedule an Appointment
Photo Appointments 

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-3:00 pm

Sat Closed

Sun Closed

Schedule an Appointment
Pickup Accountable Mail

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-4:30 pm

Sat 9:00 am-12:00 pm

Sun Closed

Pickup Hold Mail

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-4:30 pm

Sat 9:00 am-12:00 pm

Sun Closed

Pickup Notice Left Mail

Mon-Fri 9:00 am-12:00 pm, 1:00 pm-4:30 pm

Sat 9:00 am-12:00 pm

Sun Closed

PO Box™ Access

Mon-Fri 12:01 am-11:59 pm

Sat 12:01 am-11:59 pm

Sun Closed

PO Box™ Delivery

Mon-Fri 12:00 pm

Sat 12:00 pm

Sun Closed

DANVILLE

2605 CAMINO TASSAJARA

DANVILLE, CA 94526-9998

SAN RAMON

12935 ALCOSTA BLVD

SAN RAMON, CA 94583-9998

ALAMO

160 ALAMO PLZ

ALAMO, CA 94507-9998

DANVILLE

2605 CAMINO TASSAJARA

DANVILLE, CA 94526-9998

DANVILLE SQUARE

23 RAILROAD AVE

DANVILLE, CA 94526-3881

SAN RAMON

12935 ALCOSTA BLVD

SAN RAMON, CA 94583-9998

At This Location

Lot Parking Available

For facility accessibility, please call the Post Office.
1-800-ASK-USPS® (800-275-8777)

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