17343
ZIP 17343 is Mc Knightstown, Pennsylvania, in Adams County; area codes 223 and 717; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Adams
- Metro area
- Gettysburg, PA
- Population
- 31
- Coordinates
- 39.8686, -77.3296
Weather right now
Asking the National Weather Service…
Where 17343 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 17343 into a pocket calculator and turn it upside down: EhELI — not quite a word, sorry.
- ➕ As a number, 17,343 = 3 × 3 × 41 × 47. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001110111111 - 🏠 Its numerical neighbours: 17342 (Loganville, PA, 33 mi away) and 17344 (Mc Sherrystown, PA, 17 mi away).
- 🔄 Backwards, 17343 becomes 34371, which is not a ZIP code at all.
- 👥 33 other ZIP codes are made of exactly the same digits (13437, 13473, 13734, 13743, 14733, 17334, …). The farthest-flung twin is 73134 in Oklahoma City, OK, 1,141 miles away.
- 🧭 Farther north than 55% of all ZIP codes, and farther east than 80%.
- 🎯1,125 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17343 and you would come out at 39.87°S, 102.67°E — 917 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
- 📏 At 0.714 square miles of land, 17343 is bigger than 7% of ZIP codes — about 346 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 31This ZIP31 |
|---|---|
| Households | 16This ZIP16 |
| Housing units | 51This ZIP51 |
| Bachelor's degree or higher | 100.0%This ZIP100.0% |
| Population density | 43.4 / sq miThis ZIP43.4 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 20This ZIP20 |
| Annual payroll | $516,000This ZIP$516,000 |
Land area
| Land area | 0.71 sq miThis ZIP0.71 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 17343
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17343
| ZIP | City | Distance |
|---|---|---|
17310 | Cashtown, PA | 2.1 mi |
17353 | Orrtanna, PA | 3.6 mi |
17303 | Arendtsville, PA | 4.3 mi |
17307 | Biglerville, PA | 6.1 mi |
17325 | Gettysburg, PA | 6.2 mi |
17375 | Peach Glen, PA | 6.4 mi |
17320 | Fairfield, PA | 7.5 mi |
17222 | Fayetteville, PA | 8.9 mi |
17306 | Bendersville, PA | 9.0 mi |
17304 | Aspers, PA | 9.1 mi |
Find every ZIP code within 10 miles of 17343 →
Questions about this ZIP code
Where is ZIP code 17343?
17343 is in Mc Knightstown, Pennsylvania, in Adams County, part of the Gettysburg, PA metropolitan area. Its published point location is 39.8686, -77.3296.
What county is 17343 in?
17343 lies in Adams County.
What area code is 17343?
Mc Knightstown uses area codes 223 and 717, from NANPA's telephone records.
What time zone is 17343 in?
17343 uses America/New_York.
How many people live in 17343?
About 31 people live in ZIP code 17343, in 16 households, at 43.4 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 17343?
The closest are 17310 (2.1 mi), 17353 (3.6 mi), 17303 (4.3 mi), 17307 (6.1 mi) and 17325 (6.2 mi).
Is 17343 a PO Box ZIP code?
17343 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17343 ZIP Code — Mc Knightstown, Pennsylvania (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17343
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17343.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.