Hollo (also Hallo, Niesky, or Nisky) 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.

Hollo
Hollo is located in Pennsylvania
Hollo
Hollo
Location of Hollo in Pennsylvania
Hollo is located in the United States
Hollo
Hollo
Hollo (the United States)
Coordinates: 40°43′22″N 75°17′44″W / 40.72278°N 75.29556°W / 40.72278; -75.29556
Country United States
State Pennsylvania
CountyNorthampton
TownshipLower Macungie
Lower Nazareth Township
Population
 (2000)
 • Metro
865,310 (US: 68th)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP Codes
18045, 18064
Area code(s)610
GNIS feature ID1203827[1]

References

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  1. ^ "Hollo, Pennsylvania". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.