ZIP code · New Alexandria · Pennsylvania · United States
ZIP code 15670 — New Alexandria
ZIP code 15670 serves New Alexandria, Pennsylvania.
- Postal code
- 15670Single source Value from one source, not cross-checked.
- City
- New Alexandria
- County
- Westmoreland FIPS 42129
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 40.3987, -79.4220 — precision precise (locality)
View on OpenStreetMap - Population
- 3,166 (ZCTA, ACS 5-year)
- Population density
- 78 / sq mi
- Land area
- 40.8 sq mi (105.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $78,125
- Per-capita income
- $41,747
- Median age
- 51.9
- Households
- 1,366
- Housing units
- 1,463
- Median home value
- $189,500
- Median gross rent
- $821 / month
- Congressional district
- PA-14 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 724Telephone 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.
Tools: compare 15670 with another ZIP · ZIPs within 25 miles · distance from 15670
Map of ZIP code 15670
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 40 | 49 | 62 | 72 | 80 | 83 | 82 | 76 | 64 | 52 | 41 |
| Avg low °F | 19 | 20 | 27 | 36 | 46 | 55 | 59 | 58 | 51 | 40 | 30 | 24 |
| Precip in | 3.1 | 2.5 | 3.3 | 3.8 | 4.0 | 4.1 | 4.3 | 4.6 | 4.0 | 2.9 | 3.3 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: LOYALHANNA LAKE (4.4 mi) · NOAA NCEI
Places in ZIP 15670
- 2 schools
- 3 parks
- 6 playgrounds
- 2 places of worship
- 1 banks
- 3 gas stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page