ZIP code 18231
Where is ZIP code 18231?
Kelayres, Pennsylvania
Schuylkill County · PO Box only ZIP code
ZIP code 18231 belongs to Kelayres, Pennsylvania in Schuylkill County. 18231 is a PO Box only ZIP code: it is used for post office boxes at the Kelayres post office, not for street addresses. It is in the Eastern Time zone and uses area codes 272 and 570. About 413 people live in the 18231 area, where the median household income is $49,539. The closest ZIP codes are 18237 (Mcadoo, 0.5 mi east), 18254 (Tresckow, 2.3 mi northeast) and 18230 (Junedale, 3.7 mi northeast).
| ZIP code | 18231 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Kelayres |
| State | Pennsylvania (PA) |
| County | Schuylkill County |
| Time zone | Eastern Time · now |
| Area codes | 272, 570 |
| Coordinates | 40.9002, -76.0054 map |
| 3-digit prefix | 182 |
Population and income in 18231
| Population | 413 · lower than 77% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 3,591 · higher than 91% of Pennsylvania ZIP codes |
| Median age | 32.9 years · lower than 92% of Pennsylvania ZIP codes |
| Men / women | 56% / 44% |
| Median household income | $49,539 · lower than 91% of Pennsylvania ZIP codes |
| Income per person | $30,501 |
| Below the poverty line | 9.2% |
| Bachelor’s degree or higher | 12% of adults 25+ |
| Median home value | $118,000 · lower than 84% of Pennsylvania ZIP codes |
| Median rent | $821 a month |
| Housing units | 192 |
| Households | 181 (2.28 people on average) |
| Owners / renters | 83% / 17% |
| Land area | 0.12 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 18231. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 18231
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 18237 | Mcadoo, PA | 0.5 mi E | Standard |
| 18254 | Tresckow, PA | 2.3 mi NE | PO Box only |
| 18230 | Junedale, PA | 3.7 mi NE | PO Box only |
| 18245 | Quakake, PA | 3.7 mi SW | PO Box only |
| 18202 | Hazleton, PA | 4.2 mi NW | Standard |
| 18201 | Hazleton, PA | 4.2 mi NE | Standard |
| 18216 | Beaver Meadows, PA | 5.1 mi E | Standard |
| 18220 | Delano, PA | 5.4 mi SW | PO Box only |
| 18225 | Harleigh, PA | 5.8 mi N | PO Box only |
| 18248 | Sheppton, PA | 5.9 mi W | PO Box only |
| 18242 | Oneida, PA | 6.2 mi W | PO Box only |
| 18214 | Barnesville, PA | 6.6 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 18231 or measure the distance to another ZIP code.
How to address mail to 18231
PO BOX 123
KELAYRES PA 18231
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (18231-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 18231?
- 18231 is a Kelayres, Pennsylvania ZIP code.
- What county is 18231 in?
- ZIP code 18231 is in Schuylkill County, Pennsylvania.
- What time zone is ZIP code 18231 in?
- 18231 is in the Eastern Time zone (America/New_York).
- What area code is 18231?
- Phone numbers in ZIP code 18231 use area codes 272 and 570.
- What is the population of ZIP code 18231?
- About 413 people live in ZIP code 18231, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 18231?
- The median household income in 18231 is $49,539 a year, lower than 91% of Pennsylvania ZIP codes.
- Can I use 18231 for a street address?
- No. 18231 is only for PO Boxes. Street addresses in Kelayres use another ZIP code.
- What ZIP codes are near 18231?
- The nearest ZIP codes to 18231 are 18237 (Mcadoo, 0.5 miles), 18254 (Tresckow, 2.3 miles), 18230 (Junedale, 3.7 miles) and 18245 (Quakake, 3.7 miles).