ZIP code 08558
Where is ZIP code 08558?
Skillman, New Jersey
Somerset County · Standard ZIP code
ZIP code 08558 belongs to Skillman, New Jersey in Somerset County. 08558 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 609, 640 and 908. About 7,648 people live in the 08558 area, where the median household income is $236,016. The closest ZIP codes are 08504 (Blawenburg, 0.8 mi southwest), 08502 (Belle Mead, 2.9 mi northeast) and 08553 (Rocky Hill, 3 mi east).
| ZIP code | 08558 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Skillman |
| State | New Jersey (NJ) |
| County | Somerset County |
| Time zone | Eastern Time · now |
| Area codes | 609, 640, 908 |
| Coordinates | 40.4173, -74.6938 map |
| 3-digit prefix | 085 |
Population and income in 08558
| Population | 7,648 · lower than 61% of New Jersey ZIP codes |
|---|---|
| People per square mile | 491 · lower than 76% of New Jersey ZIP codes |
| Median age | 47.5 years · higher than 80% of New Jersey ZIP codes |
| Men / women | 49% / 52% |
| Median household income | $236,016 · higher than 96% of New Jersey ZIP codes |
| Income per person | $112,991 |
| Below the poverty line | 1.3% |
| Bachelor’s degree or higher | 79% of adults 25+ |
| Median home value | $910,200 · higher than 92% of New Jersey ZIP codes |
| Median rent | $2,000 a month |
| Housing units | 2,789 |
| Households | 2,767 (2.73 people on average) |
| Owners / renters | 86% / 14% |
| Land area | 15.59 sq mi (plus 0.07 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 08558. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 08558
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 08504 | Blawenburg, NJ | 0.8 mi SW | PO Box only |
| 08502 | Belle Mead, NJ | 2.9 mi NE | Standard |
| 08553 | Rocky Hill, NJ | 3 mi E | Standard |
| 08525 | Hopewell, NJ | 4.5 mi SW | Standard |
| 08540 | Princeton, NJ | 4.5 mi SE | Standard |
| 08542 | Princeton, NJ | 4.8 mi S | Standard |
| 08528 | Kingston, NJ | 5 mi SE | Standard |
| 08541 | Princeton, NJ | 5.1 mi S | Unique |
| 08544 | Princeton, NJ | 5.2 mi SE | Unique |
| 08844 | Hillsborough, NJ | 5.4 mi NE | Standard |
| 08821 | Flagtown, NJ | 6.9 mi N | PO Box only |
| 08551 | Ringoes, NJ | 7.4 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 08558 or measure the distance to another ZIP code.
How to address mail to 08558
123 MAIN ST
SKILLMAN NJ 08558
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Montgomery: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (08558-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 08558?
- 08558 is a Skillman, New Jersey ZIP code.
- What county is 08558 in?
- ZIP code 08558 is in Somerset County, New Jersey.
- What time zone is ZIP code 08558 in?
- 08558 is in the Eastern Time zone (America/New_York).
- What area code is 08558?
- Phone numbers in ZIP code 08558 use area codes 609, 640 and 908.
- What is the population of ZIP code 08558?
- About 7,648 people live in ZIP code 08558, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 08558?
- The median household income in 08558 is $236,016 a year, higher than 96% of New Jersey ZIP codes.
- What ZIP codes are near 08558?
- The nearest ZIP codes to 08558 are 08504 (Blawenburg, 0.8 miles), 08502 (Belle Mead, 2.9 miles), 08553 (Rocky Hill, 3 miles) and 08525 (Hopewell, 4.5 miles).