Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/03745

03745

ZIP 03745 is Cornish, New Hampshire, in Sullivan County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Sullivan
Population
1,816
Coordinates
43.4730, -72.3117
☼ Live from 03745 — Cornish, NH

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 03745 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 03745
  • 🔢 Type 03745 into a pocket calculator and turn it upside down: ShLEO — not quite a word, sorry.
  • ➕ As a number, 3,745 = 5 × 7 × 107. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111010100001
  • 🏠 Its numerical neighbours: 03743 (Claremont, NH, 8 mi away) and 03746 (Cornish Flat, NH, 2 mi away).
  • 🔄 Backwards, 03745 becomes 54730 — and that is a real ZIP code: Colfax, WI, 964 miles away.
  • 👥 58 other ZIP codes are made of exactly the same digits (03457, 03574, 03754, 04357, 04537, 04573, …). The farthest-flung twin is 73540 in Faxon, OK, 1,533 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 94%.
  • 🎯1,373 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03745 and you would come out at 43.47°S, 107.69°E — 912 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
  • 📏 At 42.0 square miles of land, 03745 is bigger than 55% of ZIP codes — room for about 32 Central Parks.
🌙 The sky over 03745 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,816This ZIP1,816
Households766This ZIP766
Housing units834This ZIP834
Median age54.0This ZIP54.0New Hampshire43.3US 38.9
Median household income$91,821This ZIP$91,821New Hampshire$99,031US $80,734
Median home value$296,000This ZIP$296,000New Hampshire$402,500US $332,700
Median gross rent$1,221This ZIP$1,221New Hampshire$1,491US $1,413
Bachelor's degree or higher40.6%This ZIP40.6%
Mean commute24.4 minThis ZIP24.4 min
Population density43.3 / sq miThis ZIP43.3 / sq mi

Business and tax activity

Business establishments14This ZIP14
Employees37This ZIP37
Annual payroll$1,310,000This ZIP$1,310,000
Tax returns filed690This ZIP690
Total adjusted gross income$66,996,000This ZIP$66,996,000

Land area

Land area41.95 sq miThis ZIP41.95 sq mi
Water area0.66 sq miThis ZIP0.66 sq mi

ZIP codes near 03745

ZIPCityDistance
03746 Cornish Flat, NH 2.3 mi
03770 Meriden, NH 4.8 mi
03781 Plainfield, NH 6.0 mi
05089 Windsor, VT 6.7 mi
05030 Ascutney, VT 7.0 mi
05049 Hartland Four Corners, VT 7.6 mi
03743 Claremont, NH 7.8 mi
03753 Grantham, NH 8.7 mi
05037 Brownsville, VT 8.7 mi
05052 North Hartland, VT 8.9 mi

Find every ZIP code within 10 miles of 03745 →

Questions about this ZIP code

Where is ZIP code 03745?

03745 is in Cornish, New Hampshire, in Sullivan County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 43.4730, -72.3117.

What county is 03745 in?

03745 lies in Sullivan County.

What area code is 03745?

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

What time zone is 03745 in?

03745 uses America/New_York.

How many people live in 03745?

About 1,816 people live in ZIP code 03745, in 766 households, at 43.3 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 03745?

$91,821 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03745?

The closest are 03746 (2.3 mi), 03770 (4.8 mi), 03781 (6 mi), 05089 (6.7 mi) and 05030 (7 mi).

Is 03745 a PO Box ZIP code?

03745 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “03745 ZIP Code — Cornish, New Hampshire (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03745

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/03745.json

Underlying data is public domain or openly licensed — sources, vintages and licences.