18851
ZIP 18851 is Warren Center, Pennsylvania, in Bradford County; area codes 272 and 570; Eastern time.
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Where 18851 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 18851 into a pocket calculator and turn it upside down: ISBBI — not quite a word, sorry.
- ➕ As a number, 18,851 = 7 × 2693. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100100110100011 - 🏠 Its numerical neighbours: 18850 (Ulster, PA, 16 mi away) and 18853 (Wyalusing, PA, 16 mi away).
- 🔄 Backwards, 18851 becomes 15881, which is not a ZIP code at all.
- 👥 5 other ZIP codes are made of exactly the same digits (18518, 18815, 85118, 88115, 88511). The farthest-flung twin is 85118 in Gold Canyon, AZ, 1,998 miles away.
- 🧭 Farther north than 75% of all ZIP codes, and farther east than 84%.
- 🎯1,176 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18851 and you would come out at 41.94°S, 103.82°E — 956 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 14m of daylight. Shortest: 9h 07m.
- 📏 At 27.1 square miles of land, 18851 is bigger than 43% of ZIP codes — room for about 21 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 615This ZIP615 |
|---|---|
| Households | 280This ZIP280 |
| Housing units | 501This ZIP501 |
| Median age | 46.1This ZIP46.1Pennsylvania40.9US 38.9 |
| Median household income | $78,333This ZIP$78,333Pennsylvania$77,971US $80,734 |
| Median home value | $233,700This ZIP$233,700Pennsylvania$254,500US $332,700 |
| Median gross rent | $981This ZIP$981Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 19.2%This ZIP19.2% |
| Mean commute | 36.1 minThis ZIP36.1 min |
| Population density | 22.7 / sq miThis ZIP22.7 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 10This ZIP10 |
| Annual payroll | $431,000This ZIP$431,000 |
| Tax returns filed | 360This ZIP360 |
| Total adjusted gross income | $25,192,000This ZIP$25,192,000 |
Land area
| Land area | 27.12 sq miThis ZIP27.12 sq mi |
|---|---|
| Water area | 0.23 sq miThis ZIP0.23 sq mi |
ZIP codes near 18851
| ZIP | City | Distance |
|---|---|---|
18830 | Little Meadows, PA | 3.7 mi |
18837 | Rome, PA | 6.5 mi |
18818 | Friendsville, PA | 6.8 mi |
18829 | Le Raysville, PA | 6.8 mi |
13732 | Apalachin, NY | 7.8 mi |
18828 | Lawton, PA | 10.3 mi |
18845 | Stevensville, PA | 10.3 mi |
13737 | Bible School Park, NY | 10.8 mi |
13812 | Nichols, NY | 11.1 mi |
18812 | Brackney, PA | 11.3 mi |
Find every ZIP code within 10 miles of 18851 →
Questions about this ZIP code
Where is ZIP code 18851?
18851 is in Warren Center, Pennsylvania, in Bradford County, part of the Sayre, PA micropolitan area. Its published point location is 41.9367, -76.1797.
What county is 18851 in?
18851 lies in Bradford County.
What area code is 18851?
Warren Center uses area codes 272 and 570, from NANPA's telephone records.
What time zone is 18851 in?
18851 uses America/New_York.
How many people live in 18851?
About 615 people live in ZIP code 18851, in 280 households, at 22.7 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 18851?
$78,333 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 18851?
The closest are 18830 (3.7 mi), 18837 (6.5 mi), 18818 (6.8 mi), 18829 (6.8 mi) and 13732 (7.8 mi).
Is 18851 a PO Box ZIP code?
18851 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18851 ZIP Code — Warren Center, Pennsylvania (Bradford County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18851
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18851.json Underlying data is public domain or openly licensed — sources, vintages and licences.