17820
ZIP 17820 is Catawissa, Pennsylvania, mostly in Columbia County; area codes 272 and 570; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Columbia +1 more
- Metro area
- Bloomsburg-Berwick, PA
- Population
- 5,499
- Coordinates
- 40.8956, -76.4037
Weather right now
Asking the National Weather Service…
Where 17820 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 17820 into a pocket calculator and turn it upside down: OZBLI — not quite a word, sorry.
- ➕ As a number, 17,820 = 2 × 2 × 3 × 3 × 3 × 3 × 5 × 11. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100010110011100 - 🏠 Its numerical neighbours: 17815 (Bloomsburg, PA, 9 mi away) and 17821 (Danville, PA, 14 mi away).
- 🔄 Backwards, 17820 becomes 02871 — and that is a real ZIP code: Portsmouth, RI, 271 miles away.
- 👥 67 other ZIP codes are made of exactly the same digits (01827, 02187, 02718, 02817, 02871, 07821, …). The farthest-flung twin is 87021 in Milan, NM, 1,747 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 84%.
- 🎯1,167 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17820 and you would come out at 40.90°S, 103.60°E — 919 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 86.7 square miles of land, 17820 is bigger than 74% of ZIP codes — room for about 66 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,499This ZIP5,499 |
|---|---|
| Households | 2,312This ZIP2,312 |
| Housing units | 2,647This ZIP2,647 |
| Median age | 43.8This ZIP43.8Pennsylvania40.9US 38.9 |
| Median household income | $67,685This ZIP$67,685Pennsylvania$77,971US $80,734 |
| Median home value | $214,800This ZIP$214,800Pennsylvania$254,500US $332,700 |
| Median gross rent | $801This ZIP$801Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 28.7%This ZIP28.7% |
| Mean commute | 24.9 minThis ZIP24.9 min |
| Population density | 63.4 / sq miThis ZIP63.4 / sq mi |
Business and tax activity
| Business establishments | 69This ZIP69 |
|---|---|
| Employees | 421This ZIP421 |
| Annual payroll | $13,647,000This ZIP$13,647,000 |
| Tax returns filed | 2,780This ZIP2,780 |
| Total adjusted gross income | $189,041,000This ZIP$189,041,000 |
Land area
| Land area | 86.71 sq miThis ZIP86.71 sq mi |
|---|---|
| Water area | 1.16 sq miThis ZIP1.16 sq mi |
Counties 17820 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Columbia County | 94.1% |
| Montour County | 5.9% |
Other place names in 17820
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17820
| ZIP | City | Distance |
|---|---|---|
17858 | Numidia, PA | 3.8 mi |
17824 | Elysburg, PA | 5.0 mi |
17888 | Wilburton, PA | 5.5 mi |
17851 | Mount Carmel, PA | 6.5 mi |
17832 | Marion Heights, PA | 6.8 mi |
17920 | Aristes, PA | 7.0 mi |
17945 | Locustdale, PA | 7.8 mi |
17840 | Locust Gap, PA | 8.5 mi |
17834 | Kulpmont, PA | 8.6 mi |
17985 | Zion Grove, PA | 8.8 mi |
Find every ZIP code within 10 miles of 17820 →
Questions about this ZIP code
Where is ZIP code 17820?
17820 is in Catawissa, Pennsylvania, in Columbia County, part of the Bloomsburg-Berwick, PA micropolitan area. Its published point location is 40.8956, -76.4037.
What county is 17820 in?
17820 spans 2 counties: Columbia County and Montour County. Most of it falls in Columbia County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 17820?
Catawissa uses area codes 272 and 570, from NANPA's telephone records.
What time zone is 17820 in?
17820 uses America/New_York.
How many people live in 17820?
About 5,499 people live in ZIP code 17820, in 2,312 households, at 63.4 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 17820?
$67,685 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17820?
The closest are 17858 (3.8 mi), 17824 (5 mi), 17888 (5.5 mi), 17851 (6.5 mi) and 17832 (6.8 mi).
Is 17820 a PO Box ZIP code?
17820 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17820 ZIP Code — Catawissa, Pennsylvania (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17820
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17820.json Underlying data is public domain or openly licensed — sources, vintages and licences.