Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/17771

17771

ZIP 17771 is Trout Run, Pennsylvania, in Lycoming County; area codes 570 and 272; Eastern time.

Type
Standard
Time zone
America/New_York
County
Lycoming
Metro area
Williamsport, PA
Population
2,929
Coordinates
41.4373, -77.0355
☼ Live from 17771 — Trout Run, PA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 17771 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 17771
  • 🔢 Type 17771 into a pocket calculator and turn it upside down: ILLLI — not quite a word, sorry.
  • ⇆17771 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 17,771 = 13 × 1367. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100010101101011
  • 🏠 Its numerical neighbours: 17769 (Slate Run, PA, 24 mi away) and 17772 (Turbotville, PA, 27 mi away).
  • 👥 2 other ZIP codes are made of exactly the same digits (11777, 17177). The farthest-flung twin is 11777 in Port Jefferson, NY, 209 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther east than 81%.
  • 🎯1,132 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 17771 and you would come out at 41.44°S, 102.96°E — 968 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 219.5 square miles of land, 17771 is bigger than 92% of ZIP codes — room for about 167 Central Parks.
🌙 The sky over 17771 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,929This ZIP2,929
Households1,219This ZIP1,219
Housing units1,633This ZIP1,633
Median age46.5This ZIP46.5Pennsylvania40.9US 38.9
Median household income$71,016This ZIP$71,016Pennsylvania$77,971US $80,734
Median home value$198,000This ZIP$198,000Pennsylvania$254,500US $332,700
Median gross rent$922This ZIP$922Pennsylvania$1,209US $1,413
Bachelor's degree or higher19.9%This ZIP19.9%
Mean commute30.4 minThis ZIP30.4 min
Population density13.3 / sq miThis ZIP13.3 / sq mi

Business and tax activity

Business establishments29This ZIP29
Employees213This ZIP213
Annual payroll$9,251,000This ZIP$9,251,000
Tax returns filed1,500This ZIP1,500
Total adjusted gross income$121,714,000This ZIP$121,714,000

Land area

Land area219.52 sq miThis ZIP219.52 sq mi
Water area1.99 sq miThis ZIP1.99 sq mi

ZIP codes near 17771

ZIPCityDistance
17705 Williamsport, PA 7.3 mi
17728 Cogan Station, PA 7.4 mi
17763 Ralston, PA 7.8 mi
17765 Roaring Branch, PA 10.4 mi
17701 Williamsport, PA 11.2 mi
16930 Liberty, PA 11.4 mi
17754 Montoursville, PA 11.5 mi
17776 Waterville, PA 13.4 mi
17703 Williamsport, PA 13.7 mi
17744 Linden, PA 14.9 mi

Find every ZIP code within 10 miles of 17771 →

Questions about this ZIP code

Where is ZIP code 17771?

17771 is in Trout Run, Pennsylvania, in Lycoming County, part of the Williamsport, PA metropolitan area. Its published point location is 41.4373, -77.0355.

What county is 17771 in?

17771 lies in Lycoming County.

What area code is 17771?

Trout Run uses area codes 570 and 272, from NANPA's telephone records.

What time zone is 17771 in?

17771 uses America/New_York.

How many people live in 17771?

About 2,929 people live in ZIP code 17771, in 1,219 households, at 13.3 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 17771?

$71,016 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 17771?

The closest are 17705 (7.3 mi), 17728 (7.4 mi), 17763 (7.8 mi), 17765 (10.4 mi) and 17701 (11.2 mi).

Is 17771 a PO Box ZIP code?

17771 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “17771 ZIP Code — Trout Run, Pennsylvania (Lycoming County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17771

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/17771.json

Underlying data is public domain or openly licensed — sources, vintages and licences.