17120
ZIP 17120 is in Harrisburg, Pennsylvania, in Dauphin County; area codes 717 and 223; Eastern time. Harrisburg has 26 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Dauphin
- Metro area
- Harrisburg-Carlisle, PA
- Population
- 0
- Coordinates
- 40.2651, -76.8828
Weather right now
Asking the National Weather Service…
Where 17120 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 17120 into a pocket calculator and turn it upside down: OZILI — not quite a word, sorry.
- ➕ As a number, 17,120 = 2 × 2 × 2 × 2 × 2 × 5 × 107. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001011100000 - 🏠 Its numerical neighbours: 17113 (Harrisburg, PA, 4 mi away) and 17121 (Harrisburg, PA, 2 mi away).
- 🔄 Backwards, 17120 becomes 02171 — and that is a real ZIP code: Quincy, MA, 335 miles away.
- 👥 40 other ZIP codes are made of exactly the same digits (01721, 02117, 02171, 07112, 10172, 10271, …). The farthest-flung twin is 71102 in Shreveport, LA, 1,074 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 82%.
- 🎯1,145 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17120 and you would come out at 40.27°S, 103.12°E — 913 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 0.092 square miles of land, 17120 is bigger than 1% of ZIP codes — about 45 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 149This ZIP149 |
| Annual payroll | $20,177,000This ZIP$20,177,000 |
Land area
| Land area | 0.09 sq miThis ZIP0.09 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 17120
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17120
| ZIP | City | Distance |
|---|---|---|
17125 | Harrisburg, PA | 0.1 mi |
17123 | Harrisburg, PA | 0.2 mi |
17124 | Harrisburg, PA | 0.2 mi |
17127 | Harrisburg, PA | 0.3 mi |
17129 | Harrisburg, PA | 0.3 mi |
17126 | Harrisburg, PA | 0.3 mi |
17130 | Harrisburg, PA | 0.4 mi |
17128 | Harrisburg, PA | 0.6 mi |
17101 | Harrisburg, PA | 0.7 mi |
17105 | Harrisburg, PA | 1.0 mi |
Find every ZIP code within 10 miles of 17120 →
Questions about this ZIP code
Where is ZIP code 17120?
17120 is in Harrisburg, Pennsylvania, in Dauphin County, part of the Harrisburg-Carlisle, PA metropolitan area. Its published point location is 40.2651, -76.8828.
What county is 17120 in?
17120 lies in Dauphin County.
What area code is 17120?
Harrisburg uses area codes 717 and 223, from NANPA's telephone records.
What time zone is 17120 in?
17120 uses America/New_York.
How many people live in 17120?
About 0 people live in ZIP code 17120. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 17120?
The closest are 17125 (0.1 mi), 17123 (0.2 mi), 17124 (0.2 mi), 17127 (0.3 mi) and 17129 (0.3 mi).
Is 17120 a PO Box ZIP code?
17120 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17120 ZIP Code — Harrisburg, Pennsylvania (Dauphin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17120
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17120.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.