03242
ZIP 03242 is Henniker, New Hampshire, in Merrimack County; area code 603; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Merrimack
- Metro area
- Concord, NH
- Population
- 6,197
- Coordinates
- 43.1694, -71.8312
Weather right now
Asking the National Weather Service…
Where 03242 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.
- 🔢 Type 03242 into a pocket calculator and turn it upside down: ZhZEO — not quite a word, sorry.
- ➕ As a number, 3,242 = 2 × 1621. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110010101010 - 🏠 Its numerical neighbours: 03241 (Hebron, NH, 37 mi away) and 03243 (Hill, NH, 25 mi away).
- 🔄 Backwards, 03242 becomes 24230 — and that is a real ZIP code: Coeburn, VA, 705 miles away.
- 👥 35 other ZIP codes are made of exactly the same digits (02324, 03224, 04223, 20423, 22034, 22043, …). The farthest-flung twin is 34022 in APO AA, a military post office, 2,207 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther east than 95%.
- 🎯1,397 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03242 and you would come out at 43.17°S, 108.17°E — 881 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
- 📏 At 44.1 square miles of land, 03242 is bigger than 56% of ZIP codes — room for about 33 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,197This ZIP6,197 |
|---|---|
| Households | 2,121This ZIP2,121 |
| Housing units | 2,305This ZIP2,305 |
| Median age | 31.1This ZIP31.1New Hampshire43.3US 38.9 |
| Median household income | $95,206This ZIP$95,206New Hampshire$99,031US $80,734 |
| Median home value | $356,700This ZIP$356,700New Hampshire$402,500US $332,700 |
| Median gross rent | $1,081This ZIP$1,081New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 41.4%This ZIP41.4% |
| Mean commute | 20.2 minThis ZIP20.2 min |
| Population density | 140.5 / sq miThis ZIP140.5 / sq mi |
Business and tax activity
| Business establishments | 134This ZIP134 |
|---|---|
| Employees | 2,136This ZIP2,136 |
| Annual payroll | $79,521,000This ZIP$79,521,000 |
| Tax returns filed | 2,170This ZIP2,170 |
| Total adjusted gross income | $209,854,000This ZIP$209,854,000 |
Land area
| Land area | 44.12 sq miThis ZIP44.12 sq mi |
|---|---|
| Water area | 0.68 sq miThis ZIP0.68 sq mi |
Other place names in 03242
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03242
| ZIP | City | Distance |
|---|---|---|
03244 | Hillsborough, NH | 5.7 mi |
03229 | Contoocook, NH | 7.1 mi |
03221 | Bradford, NH | 8.9 mi |
03281 | Weare, NH | 9.0 mi |
03278 | Warner, NH | 9.6 mi |
03273 | South Sutton, NH | 10.4 mi |
03440 | Antrim, NH | 10.4 mi |
03442 | Bennington, NH | 10.9 mi |
03046 | Dunbarton, NH | 11.9 mi |
03272 | South Newbury, NH | 12.1 mi |
Find every ZIP code within 10 miles of 03242 →
Questions about this ZIP code
Where is ZIP code 03242?
03242 is in Henniker, New Hampshire, in Merrimack County, part of the Concord, NH micropolitan area. Its published point location is 43.1694, -71.8312.
What county is 03242 in?
03242 lies in Merrimack County.
What area code is 03242?
Henniker uses area code 603, from NANPA's telephone records.
What time zone is 03242 in?
03242 uses America/New_York.
How many people live in 03242?
About 6,197 people live in ZIP code 03242, in 2,121 households, at 140.5 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 03242?
$95,206 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03242?
The closest are 03244 (5.7 mi), 03229 (7.1 mi), 03221 (8.9 mi), 03281 (9 mi) and 03278 (9.6 mi).
Is 03242 a PO Box ZIP code?
03242 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03242 ZIP Code — Henniker, New Hampshire (Merrimack County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03242
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03242.json Underlying data is public domain or openly licensed — sources, vintages and licences.