ZIP code 15421
Where is ZIP code 15421?
Chalk Hill, Pennsylvania
Fayette County · PO Box only ZIP code
ZIP code 15421 belongs to Chalk Hill, Pennsylvania in Fayette County. 15421 is a PO Box only ZIP code: it is used for post office boxes at the Chalk Hill post office, not for street addresses. It is in the Eastern Time zone and uses area codes 724 and 878. About 207 people live in the 15421 area, where the median household income is $250,001. The closest ZIP codes are 15445 (Hopwood, 2.9 mi northwest), 15437 (Farmington, 3.1 mi southeast) and 15470 (Ohiopyle, 5 mi east).
| ZIP code | 15421 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Chalk Hill |
| State | Pennsylvania (PA) |
| County | Fayette County |
| Time zone | Eastern Time · now |
| Area codes | 724, 878 |
| Coordinates | 39.8442, -79.6168 map |
| 3-digit prefix | 154 |
Population and income in 15421
| Population | 207 · lower than 87% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 772 · higher than 70% of Pennsylvania ZIP codes |
| Median age | 61.6 years · higher than 95% of Pennsylvania ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $250,001 · higher than 100% of Pennsylvania ZIP codes |
| Income per person | $101,146 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 80% of adults 25+ |
| Median home value | $222,500 · higher than 60% of Pennsylvania ZIP codes |
| Housing units | 154 |
| Households | 79 (2.62 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 0.27 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 15421. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 15421
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 15445 | Hopwood, PA | 2.9 mi NW | Standard |
| 15437 | Farmington, PA | 3.1 mi SE | Standard |
| 15470 | Ohiopyle, PA | 5 mi E | Standard |
| 15416 | Brownfield, PA | 5.1 mi W | PO Box only |
| 15456 | Lemont Furnace, PA | 6.2 mi N | Standard |
| 15465 | Mount Braddock, PA | 6.4 mi N | PO Box only |
| 15401 | Uniontown, PA | 6.7 mi NW | Standard |
| 15472 | Oliver, PA | 7.3 mi NW | PO Box only |
| 15436 | Fairchance, PA | 7.5 mi W | Standard |
| 15440 | Gibbon Glade, PA | 7.8 mi S | Standard |
| 15489 | West Leisenring, PA | 8.9 mi NW | PO Box only |
| 15431 | Dunbar, PA | 9 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 15421 or measure the distance to another ZIP code.
How to address mail to 15421
PO BOX 123
CHALK HILL PA 15421
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (15421-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 15421?
- 15421 is a Chalk Hill, Pennsylvania ZIP code.
- What county is 15421 in?
- ZIP code 15421 is in Fayette County, Pennsylvania.
- What time zone is ZIP code 15421 in?
- 15421 is in the Eastern Time zone (America/New_York).
- What area code is 15421?
- Phone numbers in ZIP code 15421 use area codes 724 and 878.
- What is the population of ZIP code 15421?
- About 207 people live in ZIP code 15421, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 15421?
- The median household income in 15421 is $250,001 a year, higher than 100% of Pennsylvania ZIP codes.
- Can I use 15421 for a street address?
- No. 15421 is only for PO Boxes. Street addresses in Chalk Hill use another ZIP code.
- What ZIP codes are near 15421?
- The nearest ZIP codes to 15421 are 15445 (Hopwood, 2.9 miles), 15437 (Farmington, 3.1 miles), 15470 (Ohiopyle, 5 miles) and 15416 (Brownfield, 5.1 miles).