Post Offices in Trenton, New Jersey, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Circle Post Office No Reviews Favorite Fax: (609) 883-6437Phone: (609) 771-0110Retail Hours Downtown Post Office No Reviews Favorite Fax: (609) 599-1162Phone: (609) 599-4050Retail Hours Independence Post Office No Reviews Favorite Fax: (609) 888-1334Phone: (609) 888-0114Retail Hours Mercerville Post Office No Reviews Favorite Phone: (609) 587-3573Retail Hours Trenton Post Office No Reviews Favorite Fax: (609) 581-9514Phone: (609) 581-3001Retail Hours Trenton Carrier Annex Post Office No Reviews Favorite Phone: (609) 581-7607Retail Hours Villa Park Post Office No Reviews Favorite Fax: (609) 392-4522Phone: (609) 392-8900Retail Hours