13621
ZIP 13621 is Chase Mills, New York, in St. Lawrence County; area code 315; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- St. Lawrence
- Metro area
- Massena-Ogdensburg, NY
- Population
- 589
- Coordinates
- 44.8394, -75.0617
Weather right now
Asking the National Weather Service…
Where 13621 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 13621 into a pocket calculator and turn it upside down: IZgEI — not quite a word, sorry.
- ➕ As a number, 13,621 = 53 × 257. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11010100110101 - 🏠 Its numerical neighbours: 13620 (Castorland, NY, 67 mi away) and 13622 (Chaumont, NY, 73 mi away).
- 🔄 Backwards, 13621 becomes 12631, which is not a ZIP code at all.
- 👥 31 other ZIP codes are made of exactly the same digits (11236, 11362, 12136, 13126, 13162, 13261, …). The farthest-flung twin is 32116 in Daytona Beach, FL, 1,134 miles away.
- 🧭 Farther north than 90% of all ZIP codes, and farther east than 88%.
- 🎯1,245 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 13621 and you would come out at 44.84°S, 104.94°E — 1,067 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 36m of daylight. Shortest: 8h 47m.
- 📏 At 28.6 square miles of land, 13621 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 589This ZIP589 |
|---|---|
| Households | 228This ZIP228 |
| Housing units | 331This ZIP331 |
| Median age | 37.6This ZIP37.6New York39.8US 38.9 |
| Median household income | $77,703This ZIP$77,703New York$85,974US $80,734 |
| Median home value | $161,000This ZIP$161,000New York$423,800US $332,700 |
| Bachelor's degree or higher | 33.7%This ZIP33.7% |
| Mean commute | 28.8 minThis ZIP28.8 min |
| Population density | 20.6 / sq miThis ZIP20.6 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 13This ZIP13 |
| Annual payroll | $232,000This ZIP$232,000 |
| Tax returns filed | 250This ZIP250 |
| Total adjusted gross income | $15,354,000This ZIP$15,354,000 |
Land area
| Land area | 28.59 sq miThis ZIP28.59 sq mi |
|---|---|
| Water area | 1.00 sq miThis ZIP1.00 sq mi |
ZIP codes near 13621
| ZIP | City | Distance |
|---|---|---|
13667 | Norfolk, NY | 3.2 mi |
13678 | Raymondville, NY | 4.6 mi |
13694 | Waddington, NY | 5.5 mi |
13660 | Madrid, NY | 6.6 mi |
13668 | Norwood, NY | 6.9 mi |
13662 | Massena, NY | 10.6 mi |
13658 | Lisbon, NY | 12.1 mi |
13699 | Potsdam, NY | 12.5 mi |
13696 | West Stockholm, NY | 12.6 mi |
13697 | Winthrop, NY | 13.6 mi |
Find every ZIP code within 10 miles of 13621 →
Questions about this ZIP code
Where is ZIP code 13621?
13621 is in Chase Mills, New York, in St. Lawrence County, part of the Massena-Ogdensburg, NY micropolitan area. Its published point location is 44.8394, -75.0617.
What county is 13621 in?
13621 lies in St. Lawrence County.
What area code is 13621?
Chase Mills uses area code 315, from NANPA's telephone records.
What time zone is 13621 in?
13621 uses America/New_York.
How many people live in 13621?
About 589 people live in ZIP code 13621, in 228 households, at 20.6 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 13621?
$77,703 a year, against $85,974 across New York.
What ZIP codes are near 13621?
The closest are 13667 (3.2 mi), 13678 (4.6 mi), 13694 (5.5 mi), 13660 (6.6 mi) and 13668 (6.9 mi).
Is 13621 a PO Box ZIP code?
13621 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “13621 ZIP Code — Chase Mills, New York (St. Lawrence County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/13621
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/13621.json Underlying data is public domain or openly licensed — sources, vintages and licences.