12530
ZIP 12530 is Hollowville, New York, in Columbia County; area codes 838 and 518; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Columbia
- Metro area
- Hudson, NY
- Population
- 270
- Coordinates
- 42.2069, -73.6842
Weather right now
Asking the National Weather Service…
Where 12530 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 12530 into a pocket calculator and turn it upside down: OESZI — not quite a word, sorry.
- ➕ As a number, 12,530 = 2 × 5 × 7 × 179. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000011110010 - 🏠 Its numerical neighbours: 12529 (Hillsdale, NY, 7 mi away) and 12531 (Holmes, NY, 46 mi away).
- 🔄 Backwards, 12530 becomes 03521, which is not a ZIP code at all.
- 👥 73 other ZIP codes are made of exactly the same digits (01235, 01253, 01523, 01532, 02135, 02153, …). The farthest-flung twin is 51023 in Hawarden, IA, 1,156 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther east than 92%.
- 🎯1,303 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 12530 and you would come out at 42.21°S, 106.32°E — 881 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
- 📏 At 0.178 square miles of land, 12530 is bigger than 2% of ZIP codes — about 86 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 270This ZIP270 |
|---|---|
| Households | 74This ZIP74 |
| Housing units | 74This ZIP74 |
| Median age | 63.0This ZIP63.0New York39.8US 38.9 |
| Bachelor's degree or higher | 0.0% |
| Population density | 1,516.9 / sq miThis ZIP1,516.9 / sq mi |
Land area
| Land area | 0.18 sq miThis ZIP0.18 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 12530
| ZIP | City | Distance |
|---|---|---|
12513 | Claverack, NY | 2.0 mi |
12521 | Craryville, NY | 3.0 mi |
12565 | Philmont, NY | 3.5 mi |
12534 | Hudson, NY | 3.8 mi |
12544 | Mellenville, NY | 3.8 mi |
12541 | Livingston, NY | 5.8 mi |
12172 | Stottville, NY | 6.3 mi |
12075 | Ghent, NY | 7.1 mi |
12529 | Hillsdale, NY | 7.3 mi |
12050 | Columbiaville, NY | 8.3 mi |
Find every ZIP code within 10 miles of 12530 →
Questions about this ZIP code
Where is ZIP code 12530?
12530 is in Hollowville, New York, in Columbia County, part of the Hudson, NY micropolitan area. Its published point location is 42.2069, -73.6842.
What county is 12530 in?
12530 lies in Columbia County.
What area code is 12530?
Hollowville uses area codes 838 and 518, from NANPA's telephone records.
What time zone is 12530 in?
12530 uses America/New_York.
How many people live in 12530?
About 270 people live in ZIP code 12530, in 74 households, at 1,516.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 12530?
The closest are 12513 (2 mi), 12521 (3 mi), 12565 (3.5 mi), 12534 (3.8 mi) and 12544 (3.8 mi).
Is 12530 a PO Box ZIP code?
12530 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “12530 ZIP Code — Hollowville, New York (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/12530
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/12530.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.