16677
ZIP 16677 is Sandy Ridge, Pennsylvania, in Centre County; area code 814; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Centre
- Metro area
- State College, PA
- Population
- 239
- Coordinates
- 40.8151, -78.2456
Weather right now
Asking the National Weather Service…
Where 16677 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 16677 into a pocket calculator and turn it upside down: LLggI — not quite a word, sorry.
- ➕ As a number, 16,677 = 3 × 3 × 17 × 109. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100000100100101 - 🏠 Its numerical neighbours: 16675 (Saint Boniface, PA, 24 mi away) and 16678 (Saxton, PA, 41 mi away).
- 🔄 Backwards, 16677 becomes 77661 — and that is a real ZIP code: Stowell, TX, 1,183 miles away.
- 👥 12 other ZIP codes are made of exactly the same digits (61776, 66717, 66771, 67671, 67761, 71667, …). The farthest-flung twin is 67761 in Wallace, KS, 1,237 miles away.
- 🧭 Farther north than 65% of all ZIP codes, and farther east than 78%.
- 🎯1,071 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 16677 and you would come out at 40.82°S, 101.75°E — 993 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 14m.
- 📏 At 3.0 square miles of land, 16677 is bigger than 14% of ZIP codes — room for about 2.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 239This ZIP239 |
|---|---|
| Households | 83This ZIP83 |
| Housing units | 103This ZIP103 |
| Median age | 60.0This ZIP60.0Pennsylvania40.9US 38.9 |
| Bachelor's degree or higher | 28.6%This ZIP28.6% |
| Population density | 79.2 / sq miThis ZIP79.2 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 21This ZIP21 |
| Annual payroll | $250,000This ZIP$250,000 |
Land area
| Land area | 3.02 sq miThis ZIP3.02 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 16677
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 16677
| ZIP | City | Distance |
|---|---|---|
16666 | Osceola Mills, PA | 5.1 mi |
16866 | Philipsburg, PA | 5.5 mi |
16698 | Houtzdale, PA | 5.6 mi |
16620 | Brisbin, PA | 5.8 mi |
16663 | Morann, PA | 6.7 mi |
16651 | Houtzdale, PA | 7.5 mi |
16840 | Hawk Run, PA | 7.9 mi |
16671 | Ramey, PA | 8.2 mi |
16680 | Smithmill, PA | 8.5 mi |
16860 | Munson, PA | 9.2 mi |
Find every ZIP code within 10 miles of 16677 →
Questions about this ZIP code
Where is ZIP code 16677?
16677 is in Sandy Ridge, Pennsylvania, in Centre County, part of the State College, PA metropolitan area. Its published point location is 40.8151, -78.2456.
What county is 16677 in?
16677 lies in Centre County.
What area code is 16677?
Sandy Ridge uses area code 814, from NANPA's telephone records.
What time zone is 16677 in?
16677 uses America/New_York.
How many people live in 16677?
About 239 people live in ZIP code 16677, in 83 households, at 79.2 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 16677?
The closest are 16666 (5.1 mi), 16866 (5.5 mi), 16698 (5.6 mi), 16620 (5.8 mi) and 16663 (6.7 mi).
Is 16677 a PO Box ZIP code?
16677 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “16677 ZIP Code — Sandy Ridge, Pennsylvania (Centre County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16677
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/16677.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.