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Where 25187 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 25187 into a pocket calculator and turn it upside down: LBISZ — not quite a word, sorry.
- ➕ As a number, 25,187 = 89 × 283. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110001001100011 - 🏠 Its numerical neighbours: 25186 (Smithers, WV, 55 mi away) and 25193 (Sylvester, WV, 55 mi away).
- 🔄 Backwards, 25187 becomes 78152 — and that is a real ZIP code: Saint Hedwig, TX, 1,125 miles away.
- 👥 48 other ZIP codes are made of exactly the same digits (12578, 12758, 12785, 12857, 15278, 15728, …). The farthest-flung twin is 85172 in Stanfield, AZ, 1,717 miles away.
- 🧭 Farther south than 53% of all ZIP codes, and farther east than 66%.
- 🎯888 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 25187 and you would come out at 38.73°S, 97.98°E — 1,109 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
- 📏 At 40.0 square miles of land, 25187 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 497This ZIP497 |
|---|---|
| Households | 310This ZIP310 |
| Housing units | 433This ZIP433 |
| Median age | 64.8This ZIP64.8West Virginia42.7US 38.9 |
| Median household income | $41,944This ZIP$41,944West Virginia$59,608US $80,734 |
| Median home value | $163,300This ZIP$163,300West Virginia$162,600US $332,700 |
| Bachelor's degree or higher | 20.2%This ZIP20.2% |
| Mean commute | 30.2 minThis ZIP30.2 min |
| Population density | 12.4 / sq miThis ZIP12.4 / sq mi |
Business and tax activity
| Business establishments | 5This ZIP5 |
|---|---|
| Employees | 60This ZIP60 |
| Annual payroll | $2,812,000This ZIP$2,812,000 |
| Tax returns filed | 250This ZIP250 |
| Total adjusted gross income | $13,331,000This ZIP$13,331,000 |
Land area
| Land area | 39.98 sq miThis ZIP39.98 sq mi |
|---|---|
| Water area | 0.87 sq miThis ZIP0.87 sq mi |
ZIP codes near 25187
| ZIP | City | Distance |
|---|---|---|
25106 | Henderson, WV | 4.5 mi |
25123 | Leon, WV | 6.3 mi |
25502 | Apple Grove, WV | 6.9 mi |
25515 | Gallipolis Ferry, WV | 7.3 mi |
25082 | Fraziers Bottom, WV | 8.6 mi |
25033 | Buffalo, WV | 9.5 mi |
25550 | Point Pleasant, WV | 9.7 mi |
25503 | Ashton, WV | 9.8 mi |
25264 | Mount Alto, WV | 11.2 mi |
25241 | Evans, WV | 12.1 mi |
Find every ZIP code within 10 miles of 25187 →
Questions about this ZIP code
Where is ZIP code 25187?
25187 is in Southside, West Virginia, in Mason County. Its published point location is 38.7286, -82.0172.
What county is 25187 in?
25187 lies in Mason County.
What area code is 25187?
Southside uses area codes 304 and 681, from NANPA's telephone records.
What time zone is 25187 in?
25187 uses America/New_York.
How many people live in 25187?
About 497 people live in ZIP code 25187, in 310 households, at 12.4 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 25187?
$41,944 a year, against $59,608 across West Virginia.
What ZIP codes are near 25187?
The closest are 25106 (4.5 mi), 25123 (6.3 mi), 25502 (6.9 mi), 25515 (7.3 mi) and 25082 (8.6 mi).
Is 25187 a PO Box ZIP code?
25187 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “25187 ZIP Code — Southside, West Virginia (Mason County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/25187
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/25187.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.