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/03061

03061

ZIP 03061 is in Nashua, New Hampshire, in Hillsborough County; area code 603; Eastern time. Nashua has 5 ZIP codes; the others are 03060, 03062, 03063 and 03064.

Type
No street area
Time zone
America/New_York
County
Hillsborough
Coordinates
42.7654, -71.4676

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 03064, whose figures describe that area — not this ZIP code.

☼ Live from 03061 — Nashua, NH

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Where 03061 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 03061
  • 🔢 Type 03061 into a pocket calculator and turn it upside down: IgOEO — not quite a word, sorry.
  • ➕ 03061 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101111110101
  • 🏠 Its numerical neighbours: 03060 (Nashua, NH, 2 mi away) and 03062 (Nashua, NH, 3 mi away).
  • 🔄 Backwards, 03061 becomes 16030 — and that is a real ZIP code: Eau Claire, PA, 442 miles away.
  • 👥 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, 1,720 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther east than 95%.
  • 🎯1,416 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03061 and you would come out at 42.77°S, 108.53°E — 848 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
🌙 The sky over 03061 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments21This ZIP21
Employees2,195This ZIP2,195
Annual payroll$243,666,000This ZIP$243,666,000

Land area

ZIP codes near 03061

ZIPCityDistance
03064 Nashua, NH 1.0 mi
03060 Nashua, NH 1.7 mi
03063 Nashua, NH 2.8 mi
03051 Hudson, NH 3.0 mi
03062 Nashua, NH 3.4 mi
03052 Litchfield, NH 5.6 mi
03049 Hollis, NH 6.1 mi
01827 Dunstable, MA 6.4 mi
03054 Merrimack, NH 6.5 mi
01879 Tyngsboro, MA 7.0 mi

Find every ZIP code within 10 miles of 03061 →

Questions about this ZIP code

Where is ZIP code 03061?

03061 is in Nashua, New Hampshire, in Hillsborough County, part of the Manchester-Nashua, NH metropolitan area. Its published point location is 42.7654, -71.4676.

What county is 03061 in?

03061 lies in Hillsborough County.

What area code is 03061?

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

What time zone is 03061 in?

03061 uses America/New_York.

What ZIP codes are near 03061?

The closest are 03064 (1 mi), 03060 (1.7 mi), 03063 (2.8 mi), 03051 (3 mi) and 03062 (3.4 mi).

Is 03061 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “03061 ZIP Code — Nashua, New Hampshire (Hillsborough County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03061

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/03061.json

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