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zipcodes.pro — ZIP/17721

17721

ZIP 17721 is Avis, Pennsylvania, in Clinton County; area codes 570 and 272; Eastern time.

Type
Standard
Time zone
America/New_York
County
Clinton
Metro area
Lock Haven, PA
Population
1,419
Coordinates
41.1816, -77.3194
☼ Live from 17721 — Avis, PA

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Where 17721 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 17721
  • 🔢 Type 17721 into a pocket calculator and turn it upside down: IZLLI — not quite a word, sorry.
  • ➕ As a number, 17,721 = 3 × 3 × 11 × 179. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100010100111001
  • 🏠 Its numerical neighbours: 17720 (Antes Fort, PA, 6 mi away) and 17723 (Jersey Shore, PA, 19 mi away).
  • 🔄 Backwards, 17721 becomes 12771 — and that is a real ZIP code: Port Jervis, NY, 140 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (11727, 11772, 12177, 12771, 17127, 17217, …). The farthest-flung twin is 71172 in Bossier City, LA, 1,074 miles away.
  • 🧭 Farther north than 68% of all ZIP codes, and farther east than 80%.
  • 🎯1,118 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 17721 and you would come out at 41.18°S, 102.68°E — 968 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
  • 📏 At 1.2 square miles of land, 17721 is bigger than 9% of ZIP codes — about 573 football fields.
🌙 The sky over 17721 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population1,419This ZIP1,419
Households679This ZIP679
Housing units709This ZIP709
Median age44.9This ZIP44.9Pennsylvania40.9US 38.9
Median household income$59,073This ZIP$59,073Pennsylvania$77,971US $80,734
Median home value$140,800This ZIP$140,800Pennsylvania$254,500US $332,700
Median gross rent$825This ZIP$825Pennsylvania$1,209US $1,413
Bachelor's degree or higher21.8%This ZIP21.8%
Mean commute22.8 minThis ZIP22.8 min
Population density1,198.5 / sq miThis ZIP1,198.5 / sq mi

Business and tax activity

Business establishments22This ZIP22
Employees346This ZIP346
Annual payroll$9,555,000This ZIP$9,555,000

Land area

Land area1.18 sq miThis ZIP1.18 sq mi
Water area0.00 sq mi

Other place names in 17721

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

ZIP codes near 17721

ZIPCityDistance
17748 Mc Elhattan, PA 2.6 mi
17779 Woolrich, PA 3.5 mi
17740 Jersey Shore, PA 5.0 mi
17720 Antes Fort, PA 6.1 mi
17726 Castanea, PA 7.1 mi
17744 Linden, PA 9.6 mi
17747 Loganton, PA 10.3 mi
17745 Lock Haven, PA 10.6 mi
17751 Mill Hall, PA 11.1 mi
17750 Mackeyville, PA 12.1 mi

Find every ZIP code within 10 miles of 17721 →

Questions about this ZIP code

Where is ZIP code 17721?

17721 is in Avis, Pennsylvania, in Clinton County, part of the Lock Haven, PA micropolitan area. Its published point location is 41.1816, -77.3194.

What county is 17721 in?

17721 lies in Clinton County.

What area code is 17721?

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

What time zone is 17721 in?

17721 uses America/New_York.

How many people live in 17721?

About 1,419 people live in ZIP code 17721, in 679 households, at 1,198.5 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 17721?

$59,073 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 17721?

The closest are 17748 (2.6 mi), 17779 (3.5 mi), 17740 (5 mi), 17720 (6.1 mi) and 17726 (7.1 mi).

Is 17721 a PO Box ZIP code?

17721 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “17721 ZIP Code — Avis, Pennsylvania (Clinton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17721

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