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zipcodes.pro — ZIP/03580

03580

ZIP 03580 is Franconia, New Hampshire, in Grafton County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Grafton
Population
1,402
Coordinates
44.1634, -71.6933
☼ Live from 03580 — Franconia, NH

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Where 03580 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 03580
  • 🔢 Type 03580 into a pocket calculator and turn it upside down: OBSEO — not quite a word, sorry.
  • ➕ As a number, 3,580 = 2 × 2 × 5 × 179. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110111111100
  • 🏠 Its numerical neighbours: 03579 (Errol, NH, 62 mi away) and 03581 (Gorham, NH, 33 mi away).
  • 🔄 Backwards, 03580 becomes 08530 — and that is a real ZIP code: Lambertville, NJ, 309 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (03850, 05038, 05083, 05830, 08035, 08053, …). The farthest-flung twin is 85003 in Phoenix, AZ, 2,271 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther east than 95%.
  • 🎯1,406 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03580 and you would come out at 44.16°S, 108.31°E — 937 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 30m of daylight. Shortest: 8h 52m.
  • 📏 At 88.3 square miles of land, 03580 is bigger than 75% of ZIP codes — room for about 67 Central Parks.
🌙 The sky over 03580 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,402This ZIP1,402
Households606This ZIP606
Housing units1,088This ZIP1,088
Median age56.3This ZIP56.3New Hampshire43.3US 38.9
Median household income$91,250This ZIP$91,250New Hampshire$99,031US $80,734
Median home value$497,100This ZIP$497,100New Hampshire$402,500US $332,700
Median gross rent$1,297This ZIP$1,297New Hampshire$1,491US $1,413
Bachelor's degree or higher55.5%This ZIP55.5%
Mean commute20.8 minThis ZIP20.8 min
Population density15.9 / sq miThis ZIP15.9 / sq mi

Business and tax activity

Business establishments79This ZIP79
Employees701This ZIP701
Annual payroll$29,094,000This ZIP$29,094,000
Tax returns filed820This ZIP820
Total adjusted gross income$135,506,000This ZIP$135,506,000

Land area

Land area88.33 sq miThis ZIP88.33 sq mi
Water area0.33 sq miThis ZIP0.33 sq mi

ZIP codes near 03580

ZIPCityDistance
03251 Lincoln, NH 5.7 mi
03586 Sugar Hill, NH 6.5 mi
03574 Bethlehem, NH 7.9 mi
03585 Lisbon, NH 11.2 mi
03262 North Woodstock, NH 11.3 mi
03785 Woodsville, NH 11.6 mi
03293 Woodstock, NH 12.8 mi
03561 Littleton, NH 13.4 mi
03595 Twin Mountain, NH 13.8 mi
03740 Bath, NH 14.6 mi

Find every ZIP code within 10 miles of 03580 →

Questions about this ZIP code

Where is ZIP code 03580?

03580 is in Franconia, New Hampshire, in Grafton County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 44.1634, -71.6933.

What county is 03580 in?

03580 lies in Grafton County.

What area code is 03580?

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

What time zone is 03580 in?

03580 uses America/New_York.

How many people live in 03580?

About 1,402 people live in ZIP code 03580, in 606 households, at 15.9 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 03580?

$91,250 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03580?

The closest are 03251 (5.7 mi), 03586 (6.5 mi), 03574 (7.9 mi), 03585 (11.2 mi) and 03262 (11.3 mi).

Is 03580 a PO Box ZIP code?

03580 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03580 ZIP Code — Franconia, New Hampshire (Grafton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03580

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