ZIP code 06831
Where is ZIP code 06831?
Greenwich, Connecticut
Fairfield County · Standard ZIP code
ZIP code 06831 belongs to Greenwich, Connecticut in Fairfield County. 06831 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 203, 475 and 914. About 15,210 people live in the 06831 area, where the median household income is $227,159. The closest ZIP codes are 06830 (Greenwich, 1.9 mi southeast), 10573 (Port Chester, 2.5 mi southwest) and 06836 (Greenwich, 2.5 mi southeast).
| ZIP code | 06831 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Greenwich |
| State | Connecticut (CT) |
| County | Fairfield County |
| Time zone | Eastern Time · now |
| Area codes | 203, 475, 914 |
| Coordinates | 41.0549, -73.6594 map |
| 3-digit prefix | 068 |
Population and income in 06831
| Population | 15,210 · higher than 68% of Connecticut ZIP codes |
|---|---|
| People per square mile | 552 · lower than 52% of Connecticut ZIP codes |
| Median age | 47.5 years · higher than 72% of Connecticut ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $227,159 · higher than 96% of Connecticut ZIP codes |
| Income per person | $142,594 |
| Below the poverty line | 4.6% |
| Bachelor’s degree or higher | 71% of adults 25+ |
| Median home value | $1,696,000 · higher than 99% of Connecticut ZIP codes |
| Median rent | $3,501 a month |
| Housing units | 6,135 |
| Households | 5,382 (2.78 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 27.55 sq mi (plus 0.51 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 06831. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 06831
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 06830 | Greenwich, CT | 1.9 mi SE | Standard |
| 10573 | Port Chester, NY | 2.5 mi SW | Standard |
| 06836 | Greenwich, CT | 2.5 mi SE | PO Box only |
| 10577 | Purchase, NY | 3.1 mi W | Standard |
| 06807 | Cos Cob, CT | 3.4 mi E | Standard |
| 10604 | West Harrison, NY | 3.7 mi W | Standard |
| 06878 | Riverside, CT | 4.2 mi E | Standard |
| 06870 | Old Greenwich, CT | 5 mi E | Standard |
| 06910 | Stamford, CT | 5.3 mi E | Standard |
| 10602 | White Plains, NY | 5.6 mi W | PO Box only |
| 10601 | White Plains, NY | 5.7 mi W | Standard |
| 10605 | White Plains, NY | 5.7 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 06831 or measure the distance to another ZIP code.
How to address mail to 06831
123 MAIN ST
GREENWICH CT 06831
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Glenville: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (06831-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Greenwich, CT
All Greenwich ZIP codes with population and income →
Questions
- What city is ZIP code 06831?
- 06831 is a Greenwich, Connecticut ZIP code.
- What county is 06831 in?
- ZIP code 06831 is in Fairfield County, Connecticut.
- What time zone is ZIP code 06831 in?
- 06831 is in the Eastern Time zone (America/New_York).
- What area code is 06831?
- Phone numbers in ZIP code 06831 use area codes 203, 475 and 914.
- What is the population of ZIP code 06831?
- About 15,210 people live in ZIP code 06831, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 06831?
- The median household income in 06831 is $227,159 a year, higher than 96% of Connecticut ZIP codes.
- What ZIP codes are near 06831?
- The nearest ZIP codes to 06831 are 06830 (Greenwich, 1.9 miles), 10573 (Port Chester, 2.5 miles), 06836 (Greenwich, 2.5 miles) and 10577 (Purchase, 3.1 miles).