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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/03301

03301

ZIP 03301 is in Concord, New Hampshire, in Merrimack County; area code 603; Eastern time. Concord has 4 ZIP codes; the others are 03302, 03303 and 03305.

Type
Standard
Time zone
America/New_York
County
Merrimack
Metro area
Concord, NH
Population
33,995
Coordinates
43.2386, -71.5563
☼ Live from 03301 — Concord, NH

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Local time: —

Where 03301 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 03301
  • 🔢 Type 03301 into a pocket calculator and turn it upside down: IOEEO — not quite a word, sorry.
  • ➕ 03301 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 7, a total 150 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110011100101
  • 🏠 Its numerical neighbours: 03299 (Tilton, NH, 21 mi away) and 03302 (Concord, NH, 7 mi away).
  • 🔄 Backwards, 03301 becomes 10330, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (01033, 01330, 03031, 03103, 10033, 10303, …). The farthest-flung twin is 33001 in Long Key, FL, 1,375 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther east than 95%.
  • 🎯1,411 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03301 and you would come out at 43.24°S, 108.44°E — 878 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 58m.
  • 📏 At 49.2 square miles of land, 03301 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
🌙 The sky over 03301 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population33,995This ZIP33,995
Households13,856This ZIP13,856
Housing units14,685This ZIP14,685
Median age40.4This ZIP40.4New Hampshire43.3US 38.9
Median household income$86,840This ZIP$86,840New Hampshire$99,031US $80,734
Median home value$371,300This ZIP$371,300New Hampshire$402,500US $332,700
Median gross rent$1,441This ZIP$1,441New Hampshire$1,491US $1,413
Bachelor's degree or higher44.9%This ZIP44.9%
Mean commute22.0 minThis ZIP22.0 min
Population density690.5 / sq miThis ZIP690.5 / sq mi

Business and tax activity

Business establishments1,527This ZIP1,527
Employees27,399This ZIP27,399
Annual payroll$1,697,208,000This ZIP$1,697,208,000
Tax returns filed16,430This ZIP16,430
Total adjusted gross income$1,446,643,000This ZIP$1,446,643,000

Land area

Land area49.23 sq miThis ZIP49.23 sq mi
Water area2.77 sq miThis ZIP2.77 sq mi

Other place names in 03301

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

ZIP codes near 03301

ZIPCityDistance
03305 Concord, NH 2.6 mi
03302 Concord, NH 7.3 mi
03304 Bow, NH 7.3 mi
03303 Concord, NH 7.5 mi
03229 Contoocook, NH 7.5 mi
03258 Chichester, NH 7.6 mi
03224 Canterbury, NH 7.8 mi
03275 Suncook, NH 8.3 mi
03307 Loudon, NH 8.6 mi
03046 Dunbarton, NH 9.1 mi

Find every ZIP code within 10 miles of 03301 →

Questions about this ZIP code

Where is ZIP code 03301?

03301 is in Concord, New Hampshire, in Merrimack County, part of the Concord, NH micropolitan area. Its published point location is 43.2386, -71.5563.

What county is 03301 in?

03301 lies in Merrimack County.

What area code is 03301?

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

What time zone is 03301 in?

03301 uses America/New_York.

How many people live in 03301?

About 33,995 people live in ZIP code 03301, in 13,856 households, at 690.5 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 03301?

$86,840 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03301?

The closest are 03305 (2.6 mi), 03302 (7.3 mi), 03304 (7.3 mi), 03303 (7.5 mi) and 03229 (7.5 mi).

Is 03301 a PO Box ZIP code?

03301 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03301 ZIP Code — Concord, New Hampshire (Merrimack County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03301

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