17777
ZIP 17777 is Watsontown, Pennsylvania, mostly in Northumberland County; area codes 570 and 272; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Northumberland +1 more
- Metro area
- Sunbury, PA
- Population
- 7,030
- Coordinates
- 41.1065, -76.8217
Weather right now
Asking the National Weather Service…
Where 17777 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 17777 into a pocket calculator and turn it upside down: LLLLI — not quite a word, sorry.
- ➕ As a number, 17,777 = 29 × 613. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100010101110001 - 🏠 Its numerical neighbours: 17776 (Waterville, PA, 32 mi away) and 17778 (Westport, PA, 62 mi away).
- 🔄 Backwards, 17777 becomes 77771, which is not a ZIP code at all.
- 🧭 Farther north than 68% of all ZIP codes, and farther east than 82%.
- 🎯1,144 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17777 and you would come out at 41.11°S, 103.18°E — 945 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
- 📏 At 36.9 square miles of land, 17777 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 7,030This ZIP7,030 |
|---|---|
| Households | 2,507This ZIP2,507 |
| Housing units | 2,869This ZIP2,869 |
| Median age | 41.3This ZIP41.3Pennsylvania40.9US 38.9 |
| Median household income | $67,188This ZIP$67,188Pennsylvania$77,971US $80,734 |
| Median home value | $216,800This ZIP$216,800Pennsylvania$254,500US $332,700 |
| Median gross rent | $839This ZIP$839Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 18.6%This ZIP18.6% |
| Mean commute | 21.3 minThis ZIP21.3 min |
| Population density | 190.7 / sq miThis ZIP190.7 / sq mi |
Business and tax activity
| Business establishments | 108This ZIP108 |
|---|---|
| Employees | 1,338This ZIP1,338 |
| Annual payroll | $67,835,000This ZIP$67,835,000 |
| Tax returns filed | 3,310This ZIP3,310 |
| Total adjusted gross income | $208,447,000This ZIP$208,447,000 |
Land area
| Land area | 36.87 sq miThis ZIP36.87 sq mi |
|---|---|
| Water area | 1.32 sq miThis ZIP1.32 sq mi |
Counties 17777 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Northumberland County | 96.9% |
| Montour County | 3.1% |
Other place names in 17777
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17777
| ZIP | City | Distance |
|---|---|---|
17749 | Mc Ewensville, PA | 2.4 mi |
17730 | Dewart, PA | 2.8 mi |
17887 | White Deer, PA | 4.4 mi |
17772 | Turbotville, PA | 5.8 mi |
17886 | West Milton, PA | 6.7 mi |
17847 | Milton, PA | 6.8 mi |
17752 | Montgomery, PA | 7.4 mi |
17756 | Muncy, PA | 8.3 mi |
17865 | Potts Grove, PA | 8.4 mi |
17884 | Washingtonville, PA | 8.5 mi |
Find every ZIP code within 10 miles of 17777 →
Questions about this ZIP code
Where is ZIP code 17777?
17777 is in Watsontown, Pennsylvania, in Northumberland County, part of the Sunbury, PA micropolitan area. Its published point location is 41.1065, -76.8217.
What county is 17777 in?
17777 spans 2 counties: Northumberland County and Montour County. Most of it falls in Northumberland County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 17777?
Watsontown uses area codes 570 and 272, from NANPA's telephone records.
What time zone is 17777 in?
17777 uses America/New_York.
How many people live in 17777?
About 7,030 people live in ZIP code 17777, in 2,507 households, at 190.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 17777?
$67,188 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17777?
The closest are 17749 (2.4 mi), 17730 (2.8 mi), 17887 (4.4 mi), 17772 (5.8 mi) and 17886 (6.7 mi).
Is 17777 a PO Box ZIP code?
17777 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17777 ZIP Code — Watsontown, Pennsylvania (Northumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17777
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17777.json Underlying data is public domain or openly licensed — sources, vintages and licences.