ZIP code 08821
Where is ZIP code 08821?
Flagtown, New Jersey
Somerset County · PO Box only ZIP code
ZIP code 08821 belongs to Flagtown, New Jersey in Somerset County. 08821 is a PO Box only ZIP code: it is used for post office boxes at the Flagtown post office, not for street addresses. It is in the Eastern Time zone and uses area code 908. About 283 people live in the 08821 area, where the median household income is $155,833. The closest ZIP codes are 08853 (Neshanic Station, 3.1 mi west), 08844 (Hillsborough, 4.1 mi southeast) and 08869 (Raritan, 4.5 mi northeast).
| ZIP code | 08821 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Flagtown |
| State | New Jersey (NJ) |
| County | Somerset County |
| Time zone | Eastern Time · now |
| Area code | 908 |
| Coordinates | 40.517, -74.6843 map |
| 3-digit prefix | 088 |
Population and income in 08821
| Population | 283 · lower than 94% of New Jersey ZIP codes |
|---|---|
| People per square mile | 1,189 · lower than 61% of New Jersey ZIP codes |
| Median age | 40.1 years · lower than 65% of New Jersey ZIP codes |
| Men / women | 40% / 60% |
| Median household income | $155,833 · higher than 79% of New Jersey ZIP codes |
| Income per person | $56,842 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 35% of adults 25+ |
| Median home value | $443,300 · lower than 52% of New Jersey ZIP codes |
| Housing units | 108 |
| Households | 108 (2.62 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 0.24 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 08821. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 08821
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 08853 | Neshanic Station, NJ | 3.1 mi W | Standard |
| 08844 | Hillsborough, NJ | 4.1 mi SE | Standard |
| 08869 | Raritan, NJ | 4.5 mi NE | Standard |
| 08870 | Readington, NJ | 4.5 mi NW | PO Box only |
| 08876 | Somerville, NJ | 4.9 mi N | Standard |
| 08502 | Belle Mead, NJ | 5 mi S | Standard |
| 08835 | Manville, NJ | 5 mi E | Standard |
| 08890 | Zarephath, NJ | 5.7 mi E | PO Box only |
| 08887 | Three Bridges, NJ | 5.8 mi W | Standard |
| 08807 | Bridgewater, NJ | 5.9 mi NE | Standard |
| 08558 | Skillman, NJ | 6.9 mi S | Standard |
| 08504 | Blawenburg, NJ | 7.6 mi S | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 08821 or measure the distance to another ZIP code.
How to address mail to 08821
PO BOX 123
FLAGTOWN NJ 08821
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (08821-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 08821?
- 08821 is a Flagtown, New Jersey ZIP code.
- What county is 08821 in?
- ZIP code 08821 is in Somerset County, New Jersey.
- What time zone is ZIP code 08821 in?
- 08821 is in the Eastern Time zone (America/New_York).
- What area code is 08821?
- Phone numbers in ZIP code 08821 use area code 908.
- What is the population of ZIP code 08821?
- About 283 people live in ZIP code 08821, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 08821?
- The median household income in 08821 is $155,833 a year, higher than 79% of New Jersey ZIP codes.
- Can I use 08821 for a street address?
- No. 08821 is only for PO Boxes. Street addresses in Flagtown use another ZIP code.
- What ZIP codes are near 08821?
- The nearest ZIP codes to 08821 are 08853 (Neshanic Station, 3.1 miles), 08844 (Hillsborough, 4.1 miles), 08869 (Raritan, 4.5 miles) and 08870 (Readington, 4.5 miles).