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zipcodes.pro — ZIP/03605

03605

ZIP 03605 is Lempster, New Hampshire, in Sullivan County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Sullivan
Population
907
Coordinates
43.2366, -72.1849
☼ Live from 03605 — Lempster, NH

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Local time: —

Where 03605 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 03605
  • 🔢 Type 03605 into a pocket calculator and turn it upside down: SOgEO — not quite a word, sorry.
  • ➕ As a number, 3,605 = 5 × 7 × 103. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111000010101
  • 🏠 Its numerical neighbours: 03604 (Drewsville, NH, 13 mi away) and 03607 (South Acworth, NH, 5 mi away).
  • 🔄 Backwards, 03605 becomes 50630 — and that is a real ZIP code: Fredericksburg, IA, 1,008 miles away.
  • 👥 35 other ZIP codes are made of exactly the same digits (00653, 05036, 05360, 05603, 06035, 06053, …). The farthest-flung twin is 00653 in Guanica, PR, 1,772 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther east than 94%.
  • 🎯1,379 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03605 and you would come out at 43.24°S, 107.82°E — 894 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 58m.
  • 📏 At 31.5 square miles of land, 03605 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
🌙 The sky over 03605 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population907This ZIP907
Households327This ZIP327
Housing units602This ZIP602
Median age50.7This ZIP50.7New Hampshire43.3US 38.9
Median household income$86,250This ZIP$86,250New Hampshire$99,031US $80,734
Median home value$239,300This ZIP$239,300New Hampshire$402,500US $332,700
Bachelor's degree or higher30.3%This ZIP30.3%
Mean commute37.2 minThis ZIP37.2 min
Population density28.8 / sq miThis ZIP28.8 / sq mi

Business and tax activity

Business establishments12This ZIP12
Employees29This ZIP29
Annual payroll$1,513,000This ZIP$1,513,000
Tax returns filed540This ZIP540
Total adjusted gross income$41,135,000This ZIP$41,135,000

Land area

Land area31.54 sq miThis ZIP31.54 sq mi
Water area0.38 sq miThis ZIP0.38 sq mi

ZIP codes near 03605

ZIPCityDistance
03607 South Acworth, NH 4.7 mi
03752 Goshen, NH 4.9 mi
03280 Washington, NH 5.6 mi
03601 Acworth, NH 6.5 mi
03456 Marlow, NH 6.9 mi
03773 Newport, NH 9.4 mi
03603 Charlestown, NH 9.5 mi
03255 Newbury, NH 9.7 mi
03754 Guild, NH 10.0 mi
03272 South Newbury, NH 10.3 mi

Find every ZIP code within 10 miles of 03605 →

Questions about this ZIP code

Where is ZIP code 03605?

03605 is in Lempster, New Hampshire, in Sullivan County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 43.2366, -72.1849.

What county is 03605 in?

03605 lies in Sullivan County.

What area code is 03605?

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

What time zone is 03605 in?

03605 uses America/New_York.

How many people live in 03605?

About 907 people live in ZIP code 03605, in 327 households, at 28.8 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 03605?

$86,250 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03605?

The closest are 03607 (4.7 mi), 03752 (4.9 mi), 03280 (5.6 mi), 03601 (6.5 mi) and 03456 (6.9 mi).

Is 03605 a PO Box ZIP code?

03605 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03605 ZIP Code — Lempster, New Hampshire (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03605

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