17858
ZIP 17858 is Numidia, Pennsylvania, in Columbia County; area codes 272 and 570; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Columbia
- Metro area
- Bloomsburg-Berwick, PA
- Population
- 111
- Coordinates
- 40.8424, -76.4233
Weather right now
Asking the National Weather Service…
Where 17858 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 17858 into a pocket calculator and turn it upside down: BSBLI — not quite a word, sorry.
- ➕ As a number, 17,858 = 2 × 8929. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100010111000010 - 🏠 Its numerical neighbours: 17857 (Northumberland, PA, 19 mi away) and 17859 (Orangeville, PA, 19 mi away).
- 🔄 Backwards, 17858 becomes 85871, which is not a ZIP code at all.
- 👥 13 other ZIP codes are made of exactly the same digits (17885, 58718, 58781, 71858, 78851, 85178, …). The farthest-flung twin is 85718 in Tucson, AZ, 1,988 miles away.
- 🧭 Farther north than 65% of all ZIP codes, and farther east than 84%.
- 🎯1,166 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17858 and you would come out at 40.84°S, 103.58°E — 917 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 0.317 square miles of land, 17858 is bigger than 4% of ZIP codes — about 153 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 111This ZIP111 |
|---|---|
| Households | 38This ZIP38 |
| Housing units | 38This ZIP38 |
| Median age | 53.4This ZIP53.4Pennsylvania40.9US 38.9 |
| Median household income | $81,250This ZIP$81,250Pennsylvania$77,971US $80,734 |
| Median home value | $228,900This ZIP$228,900Pennsylvania$254,500US $332,700 |
| Bachelor's degree or higher | 22.5%This ZIP22.5% |
| Population density | 350.2 / sq miThis ZIP350.2 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 16This ZIP16 |
| Annual payroll | $429,000This ZIP$429,000 |
Land area
| Land area | 0.32 sq miThis ZIP0.32 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 17858
| ZIP | City | Distance |
|---|---|---|
17851 | Mount Carmel, PA | 2.7 mi |
17888 | Wilburton, PA | 2.8 mi |
17832 | Marion Heights, PA | 3.0 mi |
17820 | Catawissa, PA | 3.8 mi |
17824 | Elysburg, PA | 4.0 mi |
17945 | Locustdale, PA | 4.7 mi |
17840 | Locust Gap, PA | 4.7 mi |
17834 | Kulpmont, PA | 4.9 mi |
17920 | Aristes, PA | 5.3 mi |
17943 | Lavelle, PA | 6.0 mi |
Find every ZIP code within 10 miles of 17858 →
Questions about this ZIP code
Where is ZIP code 17858?
17858 is in Numidia, Pennsylvania, in Columbia County, part of the Bloomsburg-Berwick, PA micropolitan area. Its published point location is 40.8424, -76.4233.
What county is 17858 in?
17858 lies in Columbia County.
What area code is 17858?
Numidia uses area codes 272 and 570, from NANPA's telephone records.
What time zone is 17858 in?
17858 uses America/New_York.
How many people live in 17858?
About 111 people live in ZIP code 17858, in 38 households, at 350.2 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 17858?
$81,250 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17858?
The closest are 17851 (2.7 mi), 17888 (2.8 mi), 17832 (3 mi), 17820 (3.8 mi) and 17824 (4 mi).
Is 17858 a PO Box ZIP code?
17858 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17858 ZIP Code — Numidia, Pennsylvania (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17858
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17858.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.