United States Government--post Offices, Lena Lena, WI 54139 Phone : (920) 829-5940 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Lena 133 W Railroad St Lena, WI 54139 Phone : (920) 829-5940 Business Category Post Offices Toll-Free           (800) ASK-USPS