Sebastopol Carrier Annex Post Office

does not have retail counter services

This USPS post office is located in Sebastopol, CA where the date and time is currently: 4/3/2026, 3:34:32 PM

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Address

275 Petaluma Ave
Sebastopol, CA 95472-9992

Latitude: 38.400774, Longitude: -122.821518

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Phone numbers

Link to Official USPS page for the Sebastopol Carrier Annex post office.

Services at Sebastopol Carrier Annex Post Office

No dedicated parking. Here's what you can do at this location:

Shipping

Carrier Services
Postal carriers deliver and pick up mail and packages along routes serving homes and businesses in this area. You can schedule a free package pickup from your address.

Business

Bulk Mail Acceptance
Drop off pre-sorted bulk mailings (marketing, newsletters, catalogs). Requires a USPS business mailing permit. Significant per-piece savings over retail rates.

Other Services

Customer Service Referrals
Staff can help answer questions or direct you to the right resource for issues with mail delivery, address changes, or other USPS services.