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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/16601

16601

ZIP 16601 is in Altoona, Pennsylvania, in Blair County; area codes 814 and 582; Eastern time. Altoona has 3 ZIP codes; the others are 16602 and 16603.

Type
Standard
Time zone
America/New_York
County
Blair
Metro area
Altoona, PA
Population
33,515
Coordinates
40.5525, -78.3730
☼ Live from 16601 — Altoona, PA

Weather right now

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Local time: —

Where 16601 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 16601
  • 🔢 Type 16601 into a pocket calculator and turn it upside down: IOggI — not quite a word, sorry.
  • ➕ As a number, 16,601 = 13 × 1277. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100000011011001
  • 🏠 Its numerical neighbours: 16565 (Erie, PA, 143 mi away) and 16602 (Altoona, PA, 5 mi away).
  • 🔄 Backwards, 16601 becomes 10661, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (06161, 06611, 10166, 16016, 16061, 16160, …). The farthest-flung twin is 66110 in Kansas City, KS, 874 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther east than 78%.
  • 🎯1,065 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16601 and you would come out at 40.55°S, 101.63°E — 989 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
  • 📏 At 84.8 square miles of land, 16601 is bigger than 74% of ZIP codes — room for about 64 Central Parks.
🌙 The sky over 16601 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population33,515This ZIP33,515
Households13,615This ZIP13,615
Housing units15,150This ZIP15,150
Median age39.8This ZIP39.8Pennsylvania40.9US 38.9
Median household income$58,070This ZIP$58,070Pennsylvania$77,971US $80,734
Median home value$147,200This ZIP$147,200Pennsylvania$254,500US $332,700
Median gross rent$803This ZIP$803Pennsylvania$1,209US $1,413
Bachelor's degree or higher24.4%This ZIP24.4%
Mean commute20.0 minThis ZIP20.0 min
Population density395.0 / sq miThis ZIP395.0 / sq mi

Business and tax activity

Business establishments648This ZIP648
Employees11,289This ZIP11,289
Annual payroll$568,777,000This ZIP$568,777,000
Tax returns filed14,570This ZIP14,570
Total adjusted gross income$867,183,000This ZIP$867,183,000

Land area

Land area84.84 sq miThis ZIP84.84 sq mi
Water area0.43 sq miThis ZIP0.43 sq mi

Other place names in 16601

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

ZIP codes near 16601

ZIPCityDistance
16603 Altoona, PA 4.0 mi
16617 Bellwood, PA 4.2 mi
16602 Altoona, PA 4.8 mi
16684 Tipton, PA 7.0 mi
16636 Dysart, PA 7.5 mi
16648 Hollidaysburg, PA 8.0 mi
16629 Coupon, PA 8.3 mi
16613 Ashville, PA 8.4 mi
16619 Blandburg, PA 9.3 mi
16693 Williamsburg, PA 9.9 mi

Find every ZIP code within 10 miles of 16601 →

Questions about this ZIP code

Where is ZIP code 16601?

16601 is in Altoona, Pennsylvania, in Blair County, part of the Altoona, PA metropolitan area. Its published point location is 40.5525, -78.3730.

What county is 16601 in?

16601 lies in Blair County.

What area code is 16601?

Altoona uses area codes 814 and 582, from NANPA's telephone records.

What time zone is 16601 in?

16601 uses America/New_York.

How many people live in 16601?

About 33,515 people live in ZIP code 16601, in 13,615 households, at 395.0 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 16601?

$58,070 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 16601?

The closest are 16603 (4 mi), 16617 (4.2 mi), 16602 (4.8 mi), 16684 (7 mi) and 16636 (7.5 mi).

Is 16601 a PO Box ZIP code?

16601 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “16601 ZIP Code — Altoona, Pennsylvania (Blair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16601

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