18051
ZIP 18051 is Fogelsville, Pennsylvania, in Lehigh County; area codes 484, 610 and 835; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Lehigh
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- Population
- 3,624
- Coordinates
- 40.5956, -75.6669
Weather right now
Asking the National Weather Service…
Where 18051 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 18051 into a pocket calculator and turn it upside down: ISOBI — not quite a word, sorry.
- ➕ As a number, 18,051 = 3 × 11 × 547. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100011010000011 - 🏠 Its numerical neighbours: 18049 (Emmaus, PA, 11 mi away) and 18052 (Whitehall, PA, 10 mi away).
- 🔄 Backwards, 18051 becomes 15081 — and that is a real ZIP code: South Heights, PA, 240 miles away.
- 👥 25 other ZIP codes are made of exactly the same digits (01518, 01581, 01815, 01851, 08511, 10158, …). The farthest-flung twin is 85011 in Phoenix, AZ, 2,053 miles away.
- 🧭 Farther north than 62% of all ZIP codes, and farther east than 86%.
- 🎯1,207 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18051 and you would come out at 40.60°S, 104.33°E — 875 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
- 📏 At 8.0 square miles of land, 18051 is bigger than 24% of ZIP codes — room for about 6.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,624This ZIP3,624 |
|---|---|
| Households | 1,491This ZIP1,491 |
| Housing units | 1,626This ZIP1,626 |
| Median age | 46.8This ZIP46.8Pennsylvania40.9US 38.9 |
| Median household income | $139,506This ZIP$139,506Pennsylvania$77,971US $80,734 |
| Median home value | $459,600This ZIP$459,600Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,470This ZIP$1,470Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 50.3%This ZIP50.3% |
| Mean commute | 21.5 minThis ZIP21.5 min |
| Population density | 453.4 / sq miThis ZIP453.4 / sq mi |
Business and tax activity
| Business establishments | 108This ZIP108 |
|---|---|
| Employees | 1,668This ZIP1,668 |
| Annual payroll | $82,116,000This ZIP$82,116,000 |
| Tax returns filed | 2,110This ZIP2,110 |
| Total adjusted gross income | $265,068,000This ZIP$265,068,000 |
Land area
| Land area | 7.99 sq miThis ZIP7.99 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
ZIP codes near 18051
| ZIP | City | Distance |
|---|---|---|
18195 | Allentown, PA | 2.3 mi |
18031 | Breinigsville, PA | 2.7 mi |
18069 | Orefield, PA | 3.4 mi |
19538 | Maxatawny, PA | 3.8 mi |
18087 | Trexlertown, PA | 4.7 mi |
18078 | Schnecksville, PA | 5.7 mi |
18106 | Allentown, PA | 5.8 mi |
18066 | New Tripoli, PA | 6.1 mi |
18104 | Allentown, PA | 6.4 mi |
18046 | East Texas, PA | 6.5 mi |
Find every ZIP code within 10 miles of 18051 →
Questions about this ZIP code
Where is ZIP code 18051?
18051 is in Fogelsville, Pennsylvania, in Lehigh County, part of the Allentown-Bethlehem-Easton, PA-NJ metropolitan area. Its published point location is 40.5956, -75.6669.
What county is 18051 in?
18051 lies in Lehigh County.
What area code is 18051?
Fogelsville uses area codes 484, 610 and 835, from NANPA's telephone records.
What time zone is 18051 in?
18051 uses America/New_York.
How many people live in 18051?
About 3,624 people live in ZIP code 18051, in 1,491 households, at 453.4 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 18051?
$139,506 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 18051?
The closest are 18195 (2.3 mi), 18031 (2.7 mi), 18069 (3.4 mi), 19538 (3.8 mi) and 18087 (4.7 mi).
Is 18051 a PO Box ZIP code?
18051 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18051 ZIP Code — Fogelsville, Pennsylvania (Lehigh County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18051
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18051.json Underlying data is public domain or openly licensed — sources, vintages and licences.