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Mount Gretna

1. Mount Gretna, Pennsylvania, United States [Borough]; population was 303 in 1990; housing units was 186 in 1990; location is 40°15'N 76°28'W; land area is 0.16 square miles (100 acres); FIPS code is 51568 [SourceCBP]
2. Mount Gretna, Pennsylvania, United States [Populated Place] is in Lebanon County; location is 40°14'51"N 76°28'11"W [SourceGSP]
3. Mount Gretna, Pennsylvania, United States Postal Service Zip Code is 17064 [SourcePSZ]