Casa Grande Annex Post Office

1601 Corporate Cir Petaluma, CA 94954
Phone: 707-769-5360

Post Office Lobby Hours
Monday 12:01am - 11:59pm
Tuesday 12:01am - 11:59pm
Wednesday 12:01am - 11:59pm
Thursday 12:01am - 11:59pm
Friday 12:01am - 11:59pm
Saturday 12:01am - 11:59pm
Sunday 12:01am - 11:59pm


Casa Grande Annex Post Office is a United States Postal Service (USPS) facility in Petaluma, CA. This post office offers a full array of services, including package delivery and first class mail.


Carrier Services
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes

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