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Where 18079 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 18079 into a pocket calculator and turn it upside down: GLOBI — not quite a word, sorry.
- ➕ As a number, 18,079 = 101 × 179. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100011010011111 - 🏠 Its numerical neighbours: 18078 (Schnecksville, PA, 5 mi away) and 18080 (Slatington, PA, 1 mi away).
- 🔄 Backwards, 18079 becomes 97081, which is not a ZIP code at all.
- 👥 43 other ZIP codes are made of exactly the same digits (01879, 07189, 07198, 07981, 09178, 09187, …). The farthest-flung twin is 09817 in APO AE, a military post office, 5,568 miles away.
- 🧭 Farther north than 64% of all ZIP codes, and farther east than 86%.
- 🎯1,206 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18079 and you would come out at 40.74°S, 104.34°E — 882 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
- 📏 At 0.248 square miles of land, 18079 is bigger than 3% of ZIP codes — about 120 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 303This ZIP303 |
|---|---|
| Households | 102This ZIP102 |
| Housing units | 128This ZIP128 |
| Median age | 56.5This ZIP56.5Pennsylvania40.9US 38.9 |
| Median household income | $96,071This ZIP$96,071Pennsylvania$77,971US $80,734 |
| Median home value | $213,300This ZIP$213,300Pennsylvania$254,500US $332,700 |
| Bachelor's degree or higher | 6.1%This ZIP6.1% |
| Mean commute | 25.0 minThis ZIP25.0 min |
| Population density | 1,221.8 / sq miThis ZIP1,221.8 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 5This ZIP5 |
| Annual payroll | $46,000This ZIP$46,000 |
Land area
| Land area | 0.25 sq miThis ZIP0.25 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 18079
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 18079
| ZIP | City | Distance |
|---|---|---|
18080 | Slatington, PA | 1.3 mi |
18053 | Germansville, PA | 3.0 mi |
18212 | Ashfield, PA | 3.8 mi |
18065 | Neffs, PA | 3.9 mi |
18030 | Bowmanstown, PA | 4.2 mi |
18078 | Schnecksville, PA | 5.4 mi |
18088 | Walnutport, PA | 5.4 mi |
18244 | Parryville, PA | 5.5 mi |
18086 | Treichlers, PA | 5.7 mi |
18012 | Aquashicola, PA | 5.8 mi |
Find every ZIP code within 10 miles of 18079 →
Questions about this ZIP code
Where is ZIP code 18079?
18079 is in Slatedale, Pennsylvania, in Lehigh County, part of the Allentown-Bethlehem-Easton, PA-NJ metropolitan area. Its published point location is 40.7441, -75.6569.
What county is 18079 in?
18079 lies in Lehigh County.
What area code is 18079?
Slatedale uses area codes 484, 610 and 835, from NANPA's telephone records.
What time zone is 18079 in?
18079 uses America/New_York.
How many people live in 18079?
About 303 people live in ZIP code 18079, in 102 households, at 1,221.8 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 18079?
$96,071 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 18079?
The closest are 18080 (1.3 mi), 18053 (3 mi), 18212 (3.8 mi), 18065 (3.9 mi) and 18030 (4.2 mi).
Is 18079 a PO Box ZIP code?
18079 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18079 ZIP Code — Slatedale, Pennsylvania (Lehigh County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18079
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18079.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.