03872
ZIP 03872 is Sanbornville, New Hampshire, in Carroll County; area code 603; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Carroll
- Metro area
- none
- Population
- 4,438
- Coordinates
- 43.5705, -71.0433
Weather right now
Asking the National Weather Service…
Where 03872 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 03872 into a pocket calculator and turn it upside down: ZLBEO — not quite a word, sorry.
- ➕ As a number, 3,872 = 2 × 2 × 2 × 2 × 2 × 11 × 11. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
111100100000 - 🏠 Its numerical neighbours: 03871 (Rye Beach, NH, 43 mi away) and 03873 (Sandown, NH, 45 mi away).
- 🔄 Backwards, 03872 becomes 27830 — and that is a real ZIP code: Fremont, NC, 664 miles away.
- 👥 61 other ZIP codes are made of exactly the same digits (02738, 02783, 02837, 02873, 03278, 03287, …). The farthest-flung twin is 83720 in Boise, ID, 2,231 miles away.
- 🧭 Farther north than 86% of all ZIP codes, and farther east than 96%.
- 🎯1,437 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03872 and you would come out at 43.57°S, 108.96°E — 886 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
- 📏 At 52.0 square miles of land, 03872 is bigger than 61% of ZIP codes — room for about 40 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,438This ZIP4,438 |
|---|---|
| Households | 1,584This ZIP1,584 |
| Housing units | 2,478This ZIP2,478 |
| Median age | 49.5This ZIP49.5New Hampshire43.3US 38.9 |
| Median household income | $109,583This ZIP$109,583New Hampshire$99,031US $80,734 |
| Median home value | $334,400This ZIP$334,400New Hampshire$402,500US $332,700 |
| Bachelor's degree or higher | 29.9%This ZIP29.9% |
| Mean commute | 36.7 minThis ZIP36.7 min |
| Population density | 85.3 / sq miThis ZIP85.3 / sq mi |
Business and tax activity
| Business establishments | 79This ZIP79 |
|---|---|
| Employees | 423This ZIP423 |
| Annual payroll | $16,408,000This ZIP$16,408,000 |
| Tax returns filed | 2,220This ZIP2,220 |
| Total adjusted gross income | $187,877,000This ZIP$187,877,000 |
Land area
| Land area | 52.04 sq miThis ZIP52.04 sq mi |
|---|---|
| Water area | 4.18 sq miThis ZIP4.18 sq mi |
Other place names in 03872
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03872
| ZIP | City | Distance |
|---|---|---|
03830 | East Wakefield, NH | 3.9 mi |
04001 | Acton, ME | 5.7 mi |
03852 | Milton Mills, NH | 6.0 mi |
03887 | Union, NH | 6.2 mi |
03894 | Wolfeboro, NH | 7.3 mi |
04095 | West Newfield, ME | 7.6 mi |
03864 | Ossipee, NH | 8.8 mi |
03896 | Wolfeboro Falls, NH | 8.9 mi |
03855 | New Durham, NH | 9.2 mi |
03851 | Milton, NH | 9.3 mi |
Find every ZIP code within 10 miles of 03872 →
Questions about this ZIP code
Where is ZIP code 03872?
03872 is in Sanbornville, New Hampshire, in Carroll County. Its published point location is 43.5705, -71.0433.
What county is 03872 in?
03872 lies in Carroll County.
What area code is 03872?
Sanbornville uses area code 603, from NANPA's telephone records.
What time zone is 03872 in?
03872 uses America/New_York.
How many people live in 03872?
About 4,438 people live in ZIP code 03872, in 1,584 households, at 85.3 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 03872?
$109,583 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03872?
The closest are 03830 (3.9 mi), 04001 (5.7 mi), 03852 (6 mi), 03887 (6.2 mi) and 03894 (7.3 mi).
Is 03872 a PO Box ZIP code?
03872 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03872 ZIP Code — Sanbornville, New Hampshire (Carroll County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03872
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03872.json Underlying data is public domain or openly licensed — sources, vintages and licences.