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Where 95221 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 95221 into a pocket calculator and turn it upside down: IZZSG — not quite a word, sorry.
- ➕ As a number, 95,221 = 7 × 61 × 223. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111001111110101 - 🏠 Its numerical neighbours: 95220 (Acampo, CA, 38 mi away) and 95222 (Angels Camp, CA, 3 mi away).
- 🔄 Backwards, 95221 becomes 12259, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (12529, 12592, 12952, 15229, 15922, 19522, …). The farthest-flung twin is 12592 in Wassaic, NY, 2,472 miles away.
- 🧭 Farther south than 58% of all ZIP codes, and farther west than 94%.
- 🎯1,184 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 95221 and you would come out at 38.07°S, 59.45°E — 945 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
- 📏 At 0.232 square miles of land, 95221 is bigger than 3% of ZIP codes — about 112 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 259This ZIP259 |
|---|---|
| Households | 142This ZIP142 |
| Housing units | 215This ZIP215 |
| Median age | 64.8This ZIP64.8California37.9US 38.9 |
| Median home value | $395,200This ZIP$395,200California$734,700US $332,700 |
| Bachelor's degree or higher | 14.2%This ZIP14.2% |
| Population density | 1,116.4 / sq miThis ZIP1,116.4 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 110This ZIP110 |
| Annual payroll | $4,127,000This ZIP$4,127,000 |
Land area
| Land area | 0.23 sq miThis ZIP0.23 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 95221
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 95221
| ZIP | City | Distance |
|---|---|---|
95222 | Angels Camp, CA | 2.7 mi |
95251 | Vallecito, CA | 5.2 mi |
95229 | Douglas Flat, CA | 5.9 mi |
95247 | Murphys, CA | 7.2 mi |
95249 | San Andreas, CA | 9.0 mi |
95310 | Columbia, CA | 9.3 mi |
95370 | Sonora, CA | 12.5 mi |
95233 | Hathaway Pines, CA | 12.6 mi |
95246 | Mountain Ranch, CA | 12.7 mi |
95228 | Copperopolis, CA | 13.7 mi |
Find every ZIP code within 10 miles of 95221 →
Questions about this ZIP code
Where is ZIP code 95221?
95221 is in Altaville, California, in Calaveras County. Its published point location is 38.0723, -120.5485.
What county is 95221 in?
95221 lies in Calaveras County.
What area code is 95221?
Altaville uses area code 209, from NANPA's telephone records.
What time zone is 95221 in?
95221 uses America/Los_Angeles.
How many people live in 95221?
About 259 people live in ZIP code 95221, in 142 households, at 1,116.4 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 95221?
The closest are 95222 (2.7 mi), 95251 (5.2 mi), 95229 (5.9 mi), 95247 (7.2 mi) and 95249 (9 mi).
Is 95221 a PO Box ZIP code?
95221 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “95221 ZIP Code — Altaville, California (Calaveras County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95221
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/95221.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.