Paupack is an unincorporated community in Pike County, Pennsylvania, United States. The community is 5.5 miles south of Hawley. Paupack has a post office with ZIP code 18451, which opened on October 19, 1900. The community derives its name from Wallenpaupack Creek. The area was originally served by Paupack Consolidated School, which dates …Paupack is an unincorporated community in Pike County, Pennsylvania, United States. The community is 5.5 miles south of Hawley. Paupack has a post office with ZIP code 18451, which opened on October 19, 1900. The community derives its name from Wallenpaupack Creek. The area was originally served by Paupack Consolidated School, which dates back to 1925 and is on the National Register of Historic Places.