U S Government Of--post Offices Elkhart Lake, WI 53020 Phone : (920) 876-3332 Business Category Post Offices Government Offices & Public Schools Post Office - Elkhart Lake 146 E Rhine St Elkhart Lake, WI 53020 Phone : (920) 876-3332 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (920) 876-2090