17730
ZIP 17730 is Dewart, Pennsylvania, in Northumberland County; area codes 570 and 272; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Northumberland
- Metro area
- Sunbury, PA
- Population
- 11
- Coordinates
- 41.1069, -76.8759
Weather right now
Asking the National Weather Service…
Where 17730 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 17730 into a pocket calculator and turn it upside down: OELLI — not quite a word, sorry.
- ➕ As a number, 17,730 = 2 × 3 × 3 × 5 × 197. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100010101000010 - 🏠 Its numerical neighbours: 17729 (Cross Fork, PA, 53 mi away) and 17731 (Eagles Mere, PA, 27 mi away).
- 🔄 Backwards, 17730 becomes 03771 — and that is a real ZIP code: Monroe, NH, 332 miles away.
- 👥 28 other ZIP codes are made of exactly the same digits (01773, 03771, 07731, 13077, 17037, 17073, …). The farthest-flung twin is 77031 in Houston, TX, 1,311 miles away.
- 🧭 Farther north than 68% of all ZIP codes, and farther east than 82%.
- 🎯1,141 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17730 and you would come out at 41.11°S, 103.12°E — 947 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
- 📏 At 0.193 square miles of land, 17730 is bigger than 2% of ZIP codes — about 93 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 11This ZIP11 |
|---|---|
| Households | 11This ZIP11 |
| Housing units | 11This ZIP11 |
| Bachelor's degree or higher | 0.0% |
| Population density | 57.0 / sq miThis ZIP57.0 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 53This ZIP53 |
| Annual payroll | $2,259,000This ZIP$2,259,000 |
Land area
| Land area | 0.19 sq miThis ZIP0.19 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 17730
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17730
| ZIP | City | Distance |
|---|---|---|
17887 | White Deer, PA | 2.4 mi |
17777 | Watsontown, PA | 2.8 mi |
17749 | Mc Ewensville, PA | 4.0 mi |
17752 | Montgomery, PA | 5.7 mi |
17886 | West Milton, PA | 6.1 mi |
17847 | Milton, PA | 7.6 mi |
17856 | New Columbia, PA | 8.1 mi |
17810 | Allenwood, PA | 8.5 mi |
17772 | Turbotville, PA | 8.6 mi |
17865 | Potts Grove, PA | 9.4 mi |
Find every ZIP code within 10 miles of 17730 →
Questions about this ZIP code
Where is ZIP code 17730?
17730 is in Dewart, Pennsylvania, in Northumberland County, part of the Sunbury, PA micropolitan area. Its published point location is 41.1069, -76.8759.
What county is 17730 in?
17730 lies in Northumberland County.
What area code is 17730?
Dewart uses area codes 570 and 272, from NANPA's telephone records.
What time zone is 17730 in?
17730 uses America/New_York.
How many people live in 17730?
About 11 people live in ZIP code 17730, in 11 households, at 57.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 17730?
The closest are 17887 (2.4 mi), 17777 (2.8 mi), 17749 (4 mi), 17752 (5.7 mi) and 17886 (6.1 mi).
Is 17730 a PO Box ZIP code?
17730 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17730 ZIP Code — Dewart, Pennsylvania (Northumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17730
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17730.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.