12778
ZIP 12778 is Smallwood, New York, in Sullivan County; area code 845; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Sullivan
- Metro area
- Monticello, NY
- Population
- 707
- Coordinates
- 41.6617, -74.8142
Weather right now
Asking the National Weather Service…
Where 12778 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 12778 into a pocket calculator and turn it upside down: BLLZI — not quite a word, sorry.
- ➕ As a number, 12,778 = 2 × 6389. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000111101010 - 🏠 Its numerical neighbours: 12777 (Forestburgh, NY, 9 mi away) and 12779 (South Fallsburg, NY, 10 mi away).
- 🔄 Backwards, 12778 becomes 87721, which is not a ZIP code at all.
- 👥 20 other ZIP codes are made of exactly the same digits (12787, 17728, 17827, 17872, 21778, 21787, …). The farthest-flung twin is 87712 in Buena Vista, NM, 1,674 miles away.
- 🧭 Farther north than 72% of all ZIP codes, and farther east than 88%.
- 🎯1,246 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 12778 and you would come out at 41.66°S, 105.19°E — 892 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
- 📏 At 1.7 square miles of land, 12778 is bigger than 11% of ZIP codes — room for about 1.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 707This ZIP707 |
|---|---|
| Households | 305This ZIP305 |
| Housing units | 920This ZIP920 |
| Median age | 44.1This ZIP44.1New York39.8US 38.9 |
| Median household income | $50,959This ZIP$50,959New York$85,974US $80,734 |
| Median home value | $170,700This ZIP$170,700New York$423,800US $332,700 |
| Median gross rent | $1,371This ZIP$1,371New York$1,621US $1,413 |
| Bachelor's degree or higher | 30.2%This ZIP30.2% |
| Mean commute | 41.2 minThis ZIP41.2 min |
| Population density | 410.6 / sq miThis ZIP410.6 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 8This ZIP8 |
| Annual payroll | $527,000This ZIP$527,000 |
| Tax returns filed | 400This ZIP400 |
| Total adjusted gross income | $29,828,000This ZIP$29,828,000 |
Land area
| Land area | 1.72 sq miThis ZIP1.72 sq mi |
|---|---|
| Water area | 0.11 sq miThis ZIP0.11 sq mi |
Other place names in 12778
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 12778
| ZIP | City | Distance |
|---|---|---|
12762 | Mongaup Valley, NY | 1.2 mi |
12749 | Kauneonga Lake, NY | 2.5 mi |
12786 | White Lake, NY | 2.7 mi |
12720 | Bethel, NY | 4.6 mi |
12783 | Swan Lake, NY | 5.4 mi |
12701 | Monticello, NY | 6.0 mi |
12734 | Ferndale, NY | 6.0 mi |
12742 | Harris, NY | 6.6 mi |
12732 | Eldred, NY | 8.0 mi |
12751 | Kiamesha Lake, NY | 8.1 mi |
Find every ZIP code within 10 miles of 12778 →
Questions about this ZIP code
Where is ZIP code 12778?
12778 is in Smallwood, New York, in Sullivan County, part of the Monticello, NY micropolitan area. Its published point location is 41.6617, -74.8142.
What county is 12778 in?
12778 lies in Sullivan County.
What area code is 12778?
Smallwood uses area code 845, from NANPA's telephone records.
What time zone is 12778 in?
12778 uses America/New_York.
How many people live in 12778?
About 707 people live in ZIP code 12778, in 305 households, at 410.6 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 12778?
$50,959 a year, against $85,974 across New York.
What ZIP codes are near 12778?
The closest are 12762 (1.2 mi), 12749 (2.5 mi), 12786 (2.7 mi), 12720 (4.6 mi) and 12783 (5.4 mi).
Is 12778 a PO Box ZIP code?
12778 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “12778 ZIP Code — Smallwood, New York (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12778
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/12778.json Underlying data is public domain or openly licensed — sources, vintages and licences.