15378
ZIP 15378 is Westland, Pennsylvania, in Washington County; area code 724; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Washington
- Metro area
- Pittsburgh, PA
- Population
- 0
- Coordinates
- 40.2778, -80.2744
Weather right now
Asking the National Weather Service…
Where 15378 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 15378 into a pocket calculator and turn it upside down: BLESI — not quite a word, sorry.
- ➕ As a number, 15,378 = 2 × 3 × 11 × 233. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11110000010010 - 🏠 Its numerical neighbours: 15377 (West Finley, PA, 22 mi away) and 15379 (West Middletown, PA, 8 mi away).
- 🔄 Backwards, 15378 becomes 87351, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (13758, 15738, 15783, 17358, 17538, 17583, …). The farthest-flung twin is 85371 in Poston, AZ, 1,917 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 73%.
- 🎯967 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 15378 and you would come out at 40.28°S, 99.73°E — 1,066 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 0.073 square miles of land, 15378 is bigger than 1% of ZIP codes — about 35 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 9This ZIP9 |
| Population density | 0.0 / sq mi |
Land area
| Land area | 0.07 sq miThis ZIP0.07 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 15378
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 15378
| ZIP | City | Distance |
|---|---|---|
15340 | Hickory, PA | 2.6 mi |
15342 | Houston, PA | 3.6 mi |
15361 | Southview, PA | 3.9 mi |
15350 | Muse, PA | 4.0 mi |
15363 | Strabane, PA | 4.4 mi |
15347 | Meadow Lands, PA | 4.9 mi |
15317 | Canonsburg, PA | 5.4 mi |
15321 | Cecil, PA | 5.5 mi |
15057 | Mc Donald, PA | 5.7 mi |
15060 | Midway, PA | 6.4 mi |
Find every ZIP code within 10 miles of 15378 →
Questions about this ZIP code
Where is ZIP code 15378?
15378 is in Westland, Pennsylvania, in Washington County, part of the Pittsburgh, PA metropolitan area. Its published point location is 40.2778, -80.2744.
What county is 15378 in?
15378 lies in Washington County.
What area code is 15378?
Westland uses area code 724, from NANPA's telephone records.
What time zone is 15378 in?
15378 uses America/New_York.
How many people live in 15378?
About 0 people live in ZIP code 15378. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 15378?
The closest are 15340 (2.6 mi), 15342 (3.6 mi), 15361 (3.9 mi), 15350 (4 mi) and 15363 (4.4 mi).
Is 15378 a PO Box ZIP code?
15378 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “15378 ZIP Code — Westland, Pennsylvania (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/15378
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/15378.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.