Post Offices in Northglenn, Colorado, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Northglenn Post Office No Reviews Favorite Fax: (303) 254-8013Phone: (303) 452-2316Retail Hours Northview Post Office No Reviews Favorite Fax: (303) 457-0678Phone: (303) 457-6991Retail Hours