South Dakota


Pierpont Post Office, 121 W. Main St., 57468-9998 — Temporarily closed. Operations have been relocated to Groton Post Office, 201 N. Main St., 57445. Hours are Monday through Friday, 9 a.m. to 11:15 a.m. and 1 p.m. to 4 p.m., and Saturday, 9 a.m. to 9:45 a.m. Cluster box units will be installed to house PO Box customers’ mail.