ZIP code 17840
Where is ZIP code 17840?
Locust Gap, Pennsylvania
Northumberland County · Standard ZIP code
ZIP code 17840 belongs to Locust Gap, Pennsylvania in Northumberland County. 17840 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 272 and 570. About 188 people live in the 17840 area. The closest ZIP codes are 17851 (Mount Carmel, 1.9 mi northeast), 17834 (Kulpmont, 2.4 mi northwest) and 17832 (Marion Heights, 2.6 mi northwest).
| ZIP code | 17840 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Locust Gap |
| State | Pennsylvania (PA) |
| County | Northumberland County |
| Time zone | Eastern Time · now |
| Area codes | 272, 570 |
| Coordinates | 40.7727, -76.4383 map |
| 3-digit prefix | 178 |
Population and income in 17840
| Population | 188 · lower than 88% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 94 · lower than 69% of Pennsylvania ZIP codes |
| Median age | 25.3 years · lower than 97% of Pennsylvania ZIP codes |
| Men / women | 50% / 51% |
| Income per person | $19,838 |
| Below the poverty line | 33% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 131 |
| Households | 58 (3.24 people on average) |
| Owners / renters | 74% / 26% |
| Land area | 2 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 17840. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 17840
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 17851 | Mount Carmel, PA | 1.9 mi NE | Standard |
| 17834 | Kulpmont, PA | 2.4 mi NW | Standard |
| 17832 | Marion Heights, PA | 2.6 mi NW | PO Box only |
| 17943 | Lavelle, PA | 3 mi E | PO Box only |
| 17945 | Locustdale, PA | 3.3 mi E | PO Box only |
| 17888 | Wilburton, PA | 3.6 mi NE | Standard |
| 17921 | Ashland, PA | 5 mi E | Standard |
| 17920 | Aristes, PA | 5.5 mi NE | PO Box only |
| 17936 | Gordon, PA | 5.6 mi E | PO Box only |
| 17866 | Coal Township, PA | 6.4 mi W | Standard |
| 17872 | Shamokin, PA | 6.4 mi W | Standard |
| 17964 | Pitman, PA | 6.5 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 17840 or measure the distance to another ZIP code.
How to address mail to 17840
123 MAIN ST
LOCUST GAP PA 17840
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (17840-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 17840?
- 17840 is a Locust Gap, Pennsylvania ZIP code.
- What county is 17840 in?
- ZIP code 17840 is in Northumberland County, Pennsylvania.
- What time zone is ZIP code 17840 in?
- 17840 is in the Eastern Time zone (America/New_York).
- What area code is 17840?
- Phone numbers in ZIP code 17840 use area codes 272 and 570.
- What is the population of ZIP code 17840?
- About 188 people live in ZIP code 17840, according to the Census Bureau’s American Community Survey (2020–2024).
- What ZIP codes are near 17840?
- The nearest ZIP codes to 17840 are 17851 (Mount Carmel, 1.9 miles), 17834 (Kulpmont, 2.4 miles), 17832 (Marion Heights, 2.6 miles) and 17943 (Lavelle, 3 miles).