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Where 13780 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 13780 into a pocket calculator and turn it upside down: OBLEI — not quite a word, sorry.
- ➕ As a number, 13,780 = 2 × 2 × 5 × 13 × 53. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11010111010100 - 🏠 Its numerical neighbours: 13778 (Greene, NY, 15 mi away) and 13782 (Hamden, NY, 30 mi away).
- 🔄 Backwards, 13780 becomes 08731 — and that is a real ZIP code: Forked River, NJ, 187 miles away.
- 👥 52 other ZIP codes are made of exactly the same digits (01378, 03781, 03817, 03871, 07831, 08317, …). The farthest-flung twin is 83701 in Boise, ID, 2,042 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther east than 86%.
- 🎯1,212 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 13780 and you would come out at 42.42°S, 104.52°E — 954 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
- 📏 At 22.8 square miles of land, 13780 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 968This ZIP968 |
|---|---|
| Households | 378This ZIP378 |
| Housing units | 664This ZIP664 |
| Median age | 47.7This ZIP47.7New York39.8US 38.9 |
| Median household income | $77,262This ZIP$77,262New York$85,974US $80,734 |
| Median home value | $98,100This ZIP$98,100New York$423,800US $332,700 |
| Median gross rent | $1,750This ZIP$1,750New York$1,621US $1,413 |
| Bachelor's degree or higher | 39.9%This ZIP39.9% |
| Mean commute | 20.2 minThis ZIP20.2 min |
| Population density | 42.5 / sq miThis ZIP42.5 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 24This ZIP24 |
| Annual payroll | $561,000This ZIP$561,000 |
| Tax returns filed | 480This ZIP480 |
| Total adjusted gross income | $31,284,000This ZIP$31,284,000 |
Land area
| Land area | 22.77 sq miThis ZIP22.77 sq mi |
|---|---|
| Water area | 0.24 sq miThis ZIP0.24 sq mi |
Other place names in 13780
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 13780
| ZIP | City | Distance |
|---|---|---|
13809 | Mount Upton, NY | 4.5 mi |
13776 | Gilbertsville, NY | 7.7 mi |
13733 | Bainbridge, NY | 8.3 mi |
13830 | Oxford, NY | 8.7 mi |
13815 | Norwich, NY | 9.1 mi |
13849 | Unadilla, NY | 9.7 mi |
13838 | Sidney, NY | 10.1 mi |
13843 | South New Berlin, NY | 11.3 mi |
13859 | Wells Bridge, NY | 12.1 mi |
13808 | Morris, NY | 13.0 mi |
Find every ZIP code within 10 miles of 13780 →
Questions about this ZIP code
Where is ZIP code 13780?
13780 is in Guilford, New York, in Chenango County. Its published point location is 42.4225, -75.4766.
What county is 13780 in?
13780 lies in Chenango County.
What area code is 13780?
Guilford uses area code 607, from NANPA's telephone records.
What time zone is 13780 in?
13780 uses America/New_York.
How many people live in 13780?
About 968 people live in ZIP code 13780, in 378 households, at 42.5 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 13780?
$77,262 a year, against $85,974 across New York.
What ZIP codes are near 13780?
The closest are 13809 (4.5 mi), 13776 (7.7 mi), 13733 (8.3 mi), 13830 (8.7 mi) and 13815 (9.1 mi).
Is 13780 a PO Box ZIP code?
13780 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “13780 ZIP Code — Guilford, New York (Chenango County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/13780
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/13780.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.