ZIP code 18843
Where is ZIP code 18843?
South Montrose, Pennsylvania
Susquehanna County · PO Box only ZIP code
ZIP code 18843 belongs to South Montrose, Pennsylvania in Susquehanna County. 18843 is a PO Box only ZIP code: it is used for post office boxes at the South Montrose post office, not for street addresses. It is in the Eastern Time zone and uses area codes 272 and 570. About 345 people live in the 18843 area. The closest ZIP codes are 18801 (Montrose, 3 mi north), 18816 (Dimock, 3.5 mi south) and 18825 (Jackson, 4.7 mi east).
| ZIP code | 18843 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | South Montrose |
| Also accepted | S Montrose |
| State | Pennsylvania (PA) |
| County | Susquehanna County |
| Time zone | Eastern Time · now |
| Area codes | 272, 570 |
| Coordinates | 41.7973, -75.8913 map |
| 3-digit prefix | 188 |
Population and income in 18843
| Population | 345 · lower than 80% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 247 · lower than 51% of Pennsylvania ZIP codes |
| Median age | 62.4 years · higher than 96% of Pennsylvania ZIP codes |
| Men / women | 57% / 44% |
| Income per person | $34,040 |
| Below the poverty line | 4.7% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $208,100 · higher than 55% of Pennsylvania ZIP codes |
| Housing units | 150 |
| Households | 145 (2.05 people on average) |
| Owners / renters | 50% / 50% |
| Land area | 1.4 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 18843. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 18843
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 18801 | Montrose, PA | 3 mi N | Standard |
| 18816 | Dimock, PA | 3.5 mi S | PO Box only |
| 18825 | Jackson, PA | 4.7 mi E | Standard |
| 18813 | Brooklyn, PA | 5.4 mi SE | PO Box only |
| 18844 | Springville, PA | 5.7 mi S | Standard |
| 18826 | Kingsley, PA | 6 mi E | Standard |
| 18824 | Hop Bottom, PA | 8.9 mi SE | Standard |
| 18834 | New Milford, PA | 10.2 mi NE | Standard |
| 18823 | Harford, PA | 10.3 mi E | Standard |
| 18828 | Lawton, PA | 10.7 mi W | Standard |
| 18818 | Friendsville, PA | 10.7 mi NW | Standard |
| 18812 | Brackney, PA | 11.9 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 18843 or measure the distance to another ZIP code.
How to address mail to 18843
PO BOX 123
SOUTH MONTROSE PA 18843
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts S MONTROSE as the city name for 18843. Adding the 4-digit ZIP+4 code (18843-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 18843?
- 18843 is a South Montrose, Pennsylvania ZIP code. S Montrose is also accepted as the city name.
- What county is 18843 in?
- ZIP code 18843 is in Susquehanna County, Pennsylvania.
- What time zone is ZIP code 18843 in?
- 18843 is in the Eastern Time zone (America/New_York).
- What area code is 18843?
- Phone numbers in ZIP code 18843 use area codes 272 and 570.
- What is the population of ZIP code 18843?
- About 345 people live in ZIP code 18843, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 18843 for a street address?
- No. 18843 is only for PO Boxes. Street addresses in South Montrose use another ZIP code.
- What ZIP codes are near 18843?
- The nearest ZIP codes to 18843 are 18801 (Montrose, 3 miles), 18816 (Dimock, 3.5 miles), 18825 (Jackson, 4.7 miles) and 18813 (Brooklyn, 5.4 miles).