ZIP code · Mount Holly Springs · Pennsylvania · United States
ZIP code 17065 — Mount Holly Springs
ZIP code 17065 serves Mount Holly Springs, Pennsylvania.
- Postal code
- 17065Single source Value from one source, not cross-checked.
- County
- Cumberland
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 40.1115, -77.1902 — precision precise (locality)
View on OpenStreetMap - Population
- 4,043 (ZCTA, ACS 5-year)
- Median household income
- $79,769
- Median age
- 45.2
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area codes
- 223, 717Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page