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Postal Casa Grande Annex Post Office
1601 Corporate Cir, Petaluma, CA 94954
Phone: 707-769-5360
Fax: 707-763-7465
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
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
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.
- Business Line
- General Delivery
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
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:
Petaluma
120 4th St
1.5 miles away
North Bay P and DC Finance
1150 N McDowell Blvd
2.8 miles away
Penngrove
11041 Main St
3.8 miles away
El Verano
19050 Bay St
5.3 miles away
Sonoma County