Hollo, Pennsylvania

Hollo is an unincorporated community in Northampton County, Pennsylvania, United States. It is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
  • Country: United States
  • State: Pennsylvania
  • County: Northampton
  • Township: Lower Macungie · Lower Nazareth Township
  • ZIP Codes: 18045, 18064
  • Area code(s): 610
  • GNIS feature ID: 1203827
Data from: en.wikipedia.org