U.S. Postal Service/Geyserville Post Office
116 School House Lane
Geyserville, CA 95441
The Geyserville Post Office has been in operation for 79 years. Our staff delivers mail to 595 street addresses and 640 post office boxes. We provide full service mailing and shipping services to the Geyserville community. We can assist you with Every Door Direct mailing, bulk mailing, and guidance on any mailing or shipping needs.