18081
ZIP 18081 is Springtown, Pennsylvania, in Bucks County; area codes 484 and 610; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Bucks
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- Population
- 85
- Coordinates
- 40.5637, -75.2816
Weather right now
Asking the National Weather Service…
Where 18081 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 18081 into a pocket calculator and turn it upside down: IBOBI — not quite a word, sorry.
- ⇆18081 reads the same backwards. It is one of only 412 palindromic ZIP codes.
- ➕ As a number, 18,081 = 3 × 3 × 7 × 7 × 41. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100011010100001 - 🏠 Its numerical neighbours: 18080 (Slatington, PA, 22 mi away) and 18083 (Stockertown, PA, 13 mi away).
- 👥 7 other ZIP codes are made of exactly the same digits (18018, 18801, 18810, 80118, 81081, 88011, …). The farthest-flung twin is 88011 in Las Cruces, NM, 1,817 miles away.
- 🧭 Farther north than 61% of all ZIP codes, and farther east than 87%.
- 🎯1,227 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18081 and you would come out at 40.56°S, 104.72°E — 859 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
- 📏 At 0.512 square miles of land, 18081 is bigger than 5% of ZIP codes — about 248 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 85This ZIP85 |
|---|---|
| Households | 33This ZIP33 |
| Housing units | 33This ZIP33 |
| Median age | 64.4This ZIP64.4Pennsylvania40.9US 38.9 |
| Bachelor's degree or higher | 53.7%This ZIP53.7% |
| Population density | 166.0 / sq miThis ZIP166.0 / sq mi |
Business and tax activity
| Business establishments | 10This ZIP10 |
|---|---|
| Employees | 45This ZIP45 |
| Annual payroll | $2,120,000This ZIP$2,120,000 |
Land area
| Land area | 0.51 sq miThis ZIP0.51 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
ZIP codes near 18081
| ZIP | City | Distance |
|---|---|---|
18055 | Hellertown, PA | 2.3 mi |
18077 | Riegelsville, PA | 2.4 mi |
18039 | Durham, PA | 3.2 mi |
18930 | Kintnersville, PA | 4.2 mi |
18015 | Bethlehem, PA | 4.8 mi |
18955 | Richlandtown, PA | 5.8 mi |
18042 | Easton, PA | 6.2 mi |
18921 | Ferndale, PA | 6.3 mi |
18025 | Bethlehem, PA | 6.3 mi |
18036 | Coopersburg, PA | 6.8 mi |
Find every ZIP code within 10 miles of 18081 →
Questions about this ZIP code
Where is ZIP code 18081?
18081 is in Springtown, Pennsylvania, in Bucks County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 40.5637, -75.2816.
What county is 18081 in?
18081 lies in Bucks County.
What area code is 18081?
Springtown uses area codes 484 and 610, from NANPA's telephone records.
What time zone is 18081 in?
18081 uses America/New_York.
How many people live in 18081?
About 85 people live in ZIP code 18081, in 33 households, at 166.0 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 18081?
The closest are 18055 (2.3 mi), 18077 (2.4 mi), 18039 (3.2 mi), 18930 (4.2 mi) and 18015 (4.8 mi).
Is 18081 a PO Box ZIP code?
18081 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18081 ZIP Code — Springtown, Pennsylvania (Bucks County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18081
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18081.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.