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zipcodes.pro — ZIP/17851

17851

ZIP 17851 is Mount Carmel, Pennsylvania, in Northumberland County; area codes 272 and 570; Eastern time.

Type
Standard
Time zone
America/New_York
Metro area
Sunbury, PA
Population
7,234
Coordinates
40.8028, -76.4247
☼ Live from 17851 — Mount Carmel, PA

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Local time: —

Where 17851 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 17851
  • 🔢 Type 17851 into a pocket calculator and turn it upside down: ISBLI — not quite a word, sorry.
  • ➕ 17851 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100010110111011
  • 🏠 Its numerical neighbours: 17850 (Montandon, PA, 25 mi away) and 17853 (Mount Pleasant Mills, PA, 32 mi away).
  • 🔄 Backwards, 17851 becomes 15871, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (11758, 15781, 17518, 17581, 17815, 18517, …). The farthest-flung twin is 85711 in Tucson, AZ, 1,989 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 17851 and you would come out at 40.80°S, 103.58°E — 915 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 14m.
  • 📏 At 15.0 square miles of land, 17851 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 17851 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population7,234This ZIP7,234
Households3,011This ZIP3,011
Housing units4,020This ZIP4,020
Median age43.3This ZIP43.3Pennsylvania40.9US 38.9
Median household income$53,637This ZIP$53,637Pennsylvania$77,971US $80,734
Median home value$79,300This ZIP$79,300Pennsylvania$254,500US $332,700
Median gross rent$751This ZIP$751Pennsylvania$1,209US $1,413
Bachelor's degree or higher18.2%This ZIP18.2%
Mean commute25.0 minThis ZIP25.0 min
Population density483.1 / sq miThis ZIP483.1 / sq mi

Business and tax activity

Business establishments103This ZIP103
Employees1,327This ZIP1,327
Annual payroll$50,110,000This ZIP$50,110,000
Tax returns filed3,290This ZIP3,290
Total adjusted gross income$150,660,000This ZIP$150,660,000

Land area

Land area14.97 sq miThis ZIP14.97 sq mi
Water area0.14 sq miThis ZIP0.14 sq mi

Other place names in 17851

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

ZIP codes near 17851

ZIPCityDistance
17832 Marion Heights, PA 1.6 mi
17840 Locust Gap, PA 2.0 mi
17888 Wilburton, PA 2.6 mi
17834 Kulpmont, PA 2.7 mi
17858 Numidia, PA 2.7 mi
17945 Locustdale, PA 2.8 mi
17943 Lavelle, PA 3.7 mi
17921 Ashland, PA 4.9 mi
17920 Aristes, PA 5.0 mi
17824 Elysburg, PA 5.7 mi

Find every ZIP code within 10 miles of 17851 →

Questions about this ZIP code

Where is ZIP code 17851?

17851 is in Mount Carmel, Pennsylvania, in Northumberland County, part of the Sunbury, PA micropolitan area. Its published point location is 40.8028, -76.4247.

What county is 17851 in?

17851 lies in Northumberland County.

What area code is 17851?

Mount Carmel uses area codes 272 and 570, from NANPA's telephone records.

What time zone is 17851 in?

17851 uses America/New_York.

How many people live in 17851?

About 7,234 people live in ZIP code 17851, in 3,011 households, at 483.1 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 17851?

$53,637 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 17851?

The closest are 17832 (1.6 mi), 17840 (2 mi), 17888 (2.6 mi), 17834 (2.7 mi) and 17858 (2.7 mi).

Is 17851 a PO Box ZIP code?

17851 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “17851 ZIP Code — Mount Carmel, Pennsylvania (Northumberland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17851

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