The United States Penitentiary (USP) is part of the Allenwood Federal Correctional Complex (FCC) located in Allenwood, Pennsylvania. The USP is a high security facility housing male inmates. 

USP Allenwood is situated in the foothills of the northern Allegheny Mountains.  It is located 2 miles north of Allenwood on U.S. Route 15, 11 miles south of Williamsport; and 197 miles north of Washington, DC.

Judicial District:  Middle Pennsylvania

IMPORTANT NOTICE: Visiting days/hours at this facility have changed to the following: Fridays, Saturdays, Sundays & holidays from 8:00 a.m. until 3:00 p.m.