ZIP code · Dewart · Pennsylvania · United States
ZIP code 17730 — Dewart
ZIP code 17730 serves Dewart, Pennsylvania.
- Postal code
- 17730Single source Value from one source, not cross-checked.
- City
- Dewart
- County
- Northumberland FIPS 42097
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 41.1092, -76.8766 — precision precise (locality)
View on OpenStreetMap - Population
- 38 (ZCTA, ACS 5-year)
- Population density
- 197 / sq mi
- Land area
- 0.2 sq mi (0.5 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $0
- Households
- 38
- Housing units
- 73
- Congressional district
- PA-9 (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)
Tools: compare 17730 with another ZIP · ZIPs within 25 miles · distance from 17730
Map of ZIP code 17730
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 48 | 62 | 72 | 81 | 85 | 83 | 75 | 63 | 51 | 40 |
| Avg low °F | 20 | 22 | 29 | 39 | 49 | 58 | 63 | 61 | 54 | 43 | 33 | 26 |
| Precip in | 3.0 | 2.3 | 3.1 | 3.6 | 3.9 | 3.9 | 4.6 | 4.2 | 4.8 | 3.7 | 3.3 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: WILLIAMSPORT (9.6 mi) · NOAA NCEI
Places in ZIP 17730
- 1 playgrounds
- 1 post offices
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