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zipcodes.pro — ZIP/17866

17866

ZIP 17866 is Coal Township, Pennsylvania, in Northumberland County; area code 570; Eastern time.

Type
Standard
Time zone
America/New_York
Metro area
Sunbury, PA
Population
9,769
Coordinates
40.7711, -76.5965
☼ Live from 17866 — Coal Township, PA

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Local time: —

Where 17866 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.

★ Weird and wonderful facts about 17866
  • 🔢 Type 17866 into a pocket calculator and turn it upside down: ggBLI — not quite a word, sorry.
  • ➕ As a number, 17,866 = 2 × 8933. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100010111001010
  • 🏠 Its numerical neighbours: 17865 (Potts Grove, PA, 18 mi away) and 17867 (Rebuck, PA, 6 mi away).
  • 🔄 Backwards, 17866 becomes 66871 — and that is a real ZIP code: Waverly, KS, 1,024 miles away.
  • 👥 15 other ZIP codes are made of exactly the same digits (16678, 16876, 18766, 61876, 66781, 66871, …). The farthest-flung twin is 76861 in Miles, TX, 1,455 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 83%.
  • 🎯1,157 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 17866 and you would come out at 40.77°S, 103.40°E — 921 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 24.4 square miles of land, 17866 is bigger than 41% of ZIP codes — room for about 19 Central Parks.
🌙 The sky over 17866 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,769This ZIP9,769
Households3,575This ZIP3,575
Housing units4,047This ZIP4,047
Median age44.4This ZIP44.4Pennsylvania40.9US 38.9
Median household income$51,010This ZIP$51,010Pennsylvania$77,971US $80,734
Median home value$88,300This ZIP$88,300Pennsylvania$254,500US $332,700
Median gross rent$745This ZIP$745Pennsylvania$1,209US $1,413
Bachelor's degree or higher9.0%This ZIP9.0%
Mean commute26.7 minThis ZIP26.7 min
Population density400.5 / sq miThis ZIP400.5 / sq mi

Business and tax activity

Business establishments113This ZIP113
Employees2,084This ZIP2,084
Annual payroll$111,637,000This ZIP$111,637,000
Tax returns filed3,610This ZIP3,610
Total adjusted gross income$182,439,000This ZIP$182,439,000

Land area

Land area24.39 sq miThis ZIP24.39 sq mi
Water area0.09 sq miThis ZIP0.09 sq mi

Other place names in 17866

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 17866

ZIPCityDistance
17836 Leck Kill, PA 4.0 mi
17860 Paxinos, PA 4.7 mi
17881 Trevorton, PA 4.8 mi
17872 Shamokin, PA 4.9 mi
17941 Klingerstown, PA 5.9 mi
17867 Rebuck, PA 6.3 mi
17964 Pitman, PA 6.4 mi
17834 Kulpmont, PA 6.8 mi
17832 Marion Heights, PA 7.8 mi
17877 Snydertown, PA 8.3 mi

Find every ZIP code within 10 miles of 17866 →

Questions about this ZIP code

Where is ZIP code 17866?

17866 is in Coal Township, Pennsylvania, in Northumberland County, part of the Sunbury, PA micropolitan area. Its published point location is 40.7711, -76.5965.

What county is 17866 in?

17866 lies in Northumberland County.

What area code is 17866?

Coal Township uses area code 570, from NANPA's telephone records.

What time zone is 17866 in?

17866 uses America/New_York.

How many people live in 17866?

About 9,769 people live in ZIP code 17866, in 3,575 households, at 400.5 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 17866?

$51,010 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 17866?

The closest are 17836 (4 mi), 17860 (4.7 mi), 17881 (4.8 mi), 17872 (4.9 mi) and 17941 (5.9 mi).

Is 17866 a PO Box ZIP code?

17866 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “17866 ZIP Code — Coal Township, Pennsylvania (Northumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17866

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