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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/03601

03601

ZIP 03601 is Acworth, New Hampshire, in Sullivan County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Sullivan
Population
382
Coordinates
43.2458, -72.3130
☼ Live from 03601 — Acworth, NH

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Local time: —

Where 03601 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 03601
  • 🔢 Type 03601 into a pocket calculator and turn it upside down: IOgEO — not quite a word, sorry.
  • ➕ As a number, 3,601 = 13 × 277. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111000010001
  • 🏠 Its numerical neighbours: 03598 (Whitefield, NH, 85 mi away) and 03602 (Alstead, NH, 7 mi away).
  • 🔄 Backwards, 03601 becomes 10630, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (00613, 00631, 01036, 01063, 01360, 01603, …). The farthest-flung twin is 00631 in Castaner, PR, 1,761 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther east than 94%.
  • 🎯1,373 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03601 and you would come out at 43.25°S, 107.69°E — 898 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
  • 📏 At 15.6 square miles of land, 03601 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
🌙 The sky over 03601 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population382This ZIP382
Households102This ZIP102
Housing units155This ZIP155
Median age29.5This ZIP29.5New Hampshire43.3US 38.9
Median household income$81,250This ZIP$81,250New Hampshire$99,031US $80,734
Median home value$261,700This ZIP$261,700New Hampshire$402,500US $332,700
Bachelor's degree or higher19.5%This ZIP19.5%
Mean commute28.1 minThis ZIP28.1 min
Population density24.4 / sq miThis ZIP24.4 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees12This ZIP12
Annual payroll$369,000This ZIP$369,000
Tax returns filed280This ZIP280
Total adjusted gross income$20,061,000This ZIP$20,061,000

Land area

Land area15.63 sq miThis ZIP15.63 sq mi
Water area0.12 sq miThis ZIP0.12 sq mi

ZIP codes near 03601

ZIPCityDistance
03603 Charlestown, NH 3.1 mi
03607 South Acworth, NH 4.2 mi
03605 Lempster, NH 6.5 mi
03602 Alstead, NH 7.5 mi
03743 Claremont, NH 8.0 mi
05156 Springfield, VT 8.7 mi
03604 Drewsville, NH 8.7 mi
03456 Marlow, NH 9.1 mi
03609 North Walpole, NH 9.7 mi
03773 Newport, NH 10.3 mi

Find every ZIP code within 10 miles of 03601 →

Questions about this ZIP code

Where is ZIP code 03601?

03601 is in Acworth, New Hampshire, in Sullivan County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 43.2458, -72.3130.

What county is 03601 in?

03601 lies in Sullivan County.

What area code is 03601?

Acworth uses area code 603, from NANPA's telephone records.

What time zone is 03601 in?

03601 uses America/New_York.

How many people live in 03601?

About 382 people live in ZIP code 03601, in 102 households, at 24.4 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 03601?

$81,250 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03601?

The closest are 03603 (3.1 mi), 03607 (4.2 mi), 03605 (6.5 mi), 03602 (7.5 mi) and 03743 (8 mi).

Is 03601 a PO Box ZIP code?

03601 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03601 ZIP Code — Acworth, New Hampshire (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03601

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