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Where 15510 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 15510 into a pocket calculator and turn it upside down: OISSI — not quite a word, sorry.
- ➕ As a number, 15,510 = 2 × 3 × 5 × 11 × 47. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11110010010110 - 🏠 Its numerical neighbours: 15502 (Hidden Valley, PA, 12 mi away) and 15520 (Acosta, PA, 10 mi away).
- 🔄 Backwards, 15510 becomes 01551, which is not a ZIP code at all.
- 👥 20 other ZIP codes are made of exactly the same digits (01515, 05151, 10155, 10551, 11055, 11550, …). The farthest-flung twin is 51105 in Sioux City, IA, 916 miles away.
- 🧭 Farther north than 56% of all ZIP codes, and farther east than 76%.
- 🎯1,034 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15510 and you would come out at 39.96°S, 100.96°E — 998 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 01m of daylight. Shortest: 9h 20m.
- 📏 At 0.175 square miles of land, 15510 is bigger than 2% of ZIP codes — about 85 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,118This ZIP2,118 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Median age | 38.6This ZIP38.6Pennsylvania40.9US 38.9 |
| Bachelor's degree or higher | 0.7%This ZIP0.7% |
| Population density | 12,102.9 / sq miThis ZIP12,102.9 / sq mi |
Land area
| Land area | 0.18 sq miThis ZIP0.18 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 15510
| ZIP | City | Distance |
|---|---|---|
15549 | Listie, PA | 4.2 mi |
15530 | Berlin, PA | 6.4 mi |
15541 | Friedens, PA | 6.6 mi |
15542 | Garrett, PA | 7.0 mi |
15501 | Somerset, PA | 7.1 mi |
15560 | Shanksville, PA | 7.9 mi |
15561 | Sipesville, PA | 9.3 mi |
15557 | Rockwood, PA | 9.4 mi |
15555 | Quecreek, PA | 9.5 mi |
15520 | Acosta, PA | 9.9 mi |
Find every ZIP code within 10 miles of 15510 →
Questions about this ZIP code
Where is ZIP code 15510?
15510 is in Somerset, Pennsylvania, in Somerset County, part of the Somerset, PA micropolitan area. Its published point location is 39.9643, -79.0400.
What county is 15510 in?
15510 lies in Somerset County.
What area code is 15510?
Somerset uses area codes 814 and 582, from NANPA's telephone records.
What time zone is 15510 in?
15510 uses America/New_York.
How many people live in 15510?
About 2,118 people live in ZIP code 15510, at 12,102.9 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 15510?
The closest are 15549 (4.2 mi), 15530 (6.4 mi), 15541 (6.6 mi), 15542 (7 mi) and 15501 (7.1 mi).
Is 15510 a PO Box ZIP code?
15510 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15510 ZIP Code — Somerset, Pennsylvania (Somerset County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15510
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15510.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.