21560
ZIP 21560 is Spring Gap, Maryland, in Allegany County; area codes 240, 301 and 227; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Allegany
- Metro area
- Cumberland, MD-WV
- Population
- 9
- Coordinates
- 39.5650, -78.7062
Weather right now
Asking the National Weather Service…
Where 21560 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 21560 into a pocket calculator and turn it upside down: OgSIZ — not quite a word, sorry.
- ➕ As a number, 21,560 = 2 × 2 × 2 × 5 × 7 × 7 × 11. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010000111000 - 🏠 Its numerical neighbours: 21557 (Rawlings, MD, 12 mi away) and 21561 (Swanton, MD, 27 mi away).
- 🔄 Backwards, 21560 becomes 06512 — and that is a real ZIP code: New Haven, CT, 329 miles away.
- 👥 67 other ZIP codes are made of exactly the same digits (01256, 01526, 01562, 02156, 02561, 02651, …). The farthest-flung twin is 56210 in Barry, MN, 996 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 77%.
- 🎯1,055 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21560 and you would come out at 39.57°S, 101.29°E — 970 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 0.557 square miles of land, 21560 is bigger than 6% of ZIP codes — about 270 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9This ZIP9 |
|---|---|
| Households | 9This ZIP9 |
| Housing units | 9This ZIP9 |
| Bachelor's degree or higher | 0.0% |
| Population density | 16.2 / sq miThis ZIP16.2 / sq mi |
Land area
| Land area | 0.56 sq miThis ZIP0.56 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 21560
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21560
| ZIP | City | Distance |
|---|---|---|
21504 | Cumberland, MD | 1.4 mi |
26753 | Ridgeley, WV | 3.3 mi |
26767 | Wiley Ford, WV | 4.4 mi |
26719 | Fort Ashby, WV | 5.7 mi |
21502 | Cumberland, MD | 5.9 mi |
26722 | Green Spring, WV | 6.2 mi |
26763 | Springfield, WV | 6.4 mi |
21501 | Cumberland, MD | 6.8 mi |
21503 | Cumberland, MD | 6.8 mi |
21556 | Pinto, MD | 7.4 mi |
Find every ZIP code within 10 miles of 21560 →
Questions about this ZIP code
Where is ZIP code 21560?
21560 is in Spring Gap, Maryland, in Allegany County, part of the Cumberland, MD-WV micropolitan area. Its published point location is 39.5650, -78.7062.
What county is 21560 in?
21560 lies in Allegany County.
What area code is 21560?
Spring Gap uses area codes 240, 301 and 227, from NANPA's telephone records.
What time zone is 21560 in?
21560 uses America/New_York.
How many people live in 21560?
About 9 people live in ZIP code 21560, in 9 households, at 16.2 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 21560?
The closest are 21504 (1.4 mi), 26753 (3.3 mi), 26767 (4.4 mi), 26719 (5.7 mi) and 21502 (5.9 mi).
Is 21560 a PO Box ZIP code?
21560 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21560 ZIP Code — Spring Gap, Maryland (Allegany County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21560
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21560.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.