Post Offices in Norwalk, Connecticut, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Belden Post Office No Reviews Favorite Phone: (203) 866-1673Retail Hours Norwalk Post Office No Reviews Favorite Fax: (203) 838-8893Phone: (203) 854-4747Retail Hours Rowayton Post Office No Reviews Favorite Phone: (203) 838-5288Retail Hours Westport Carrier Annex Post Office No Reviews Favorite Phone: (203) 229-0483Retail Hours