Post Offices in Vallejo, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List a Station Vallejo Post Office No Reviews Favorite Fax: (707) 642-2957Phone: (707) 642-3367Retail Hours Springstowne Post Office No Reviews Favorite Fax: (707) 643-1292Phone: (707) 558-1834Retail Hours Vallejo Post Office No Reviews Favorite Fax: (707) 642-2957Phone: (707) 642-3071Retail Hours