Postal Annex Plus 530 Alameda de la Loma, Novato, CA94949 Postal Annex Plus offers shipping services for a number of various carriers. It is located in the Diablo Shopping Center…More near Ignacio Wine & Deli. It has an experienced staff that will help you find the best shipping option for your needs and can pack almost any item safely for transport. Also available are private mailboxes that can receive both USPS mail and packages. It also offers FedEx, DHL and UPS shipment possibilities. Self-service copiers and notary services are other services offered.