ZIP code 11721
Where is ZIP code 11721?
Centerport, New York
Suffolk County · Standard ZIP code
ZIP code 11721 belongs to Centerport, New York in Suffolk County. 11721 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 631 and 934. About 6,426 people live in the 11721 area, where the median household income is $197,179. The closest ZIP codes are 11740 (Greenlawn, 2.2 mi south), 11768 (Northport, 2.5 mi east) and 11743 (Huntington, 2.5 mi southwest).
| ZIP code | 11721 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Centerport |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8929, -73.3754 map |
| 3-digit prefix | 117 |
Population and income in 11721
| Population | 6,426 · higher than 64% of New York ZIP codes |
|---|---|
| People per square mile | 2,561 · higher than 77% of New York ZIP codes |
| Median age | 50.2 years · higher than 78% of New York ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $197,179 · higher than 98% of New York ZIP codes |
| Income per person | $109,501 |
| Below the poverty line | 4.1% |
| Bachelor’s degree or higher | 71% of adults 25+ |
| Median home value | $740,300 · higher than 88% of New York ZIP codes |
| Median rent | $3,501 a month |
| Housing units | 2,484 |
| Households | 2,417 (2.66 people on average) |
| Owners / renters | 97% / 3.4% |
| Land area | 2.51 sq mi (plus 1.44 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11721. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11721
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11740 | Greenlawn, NY | 2.2 mi S | Standard |
| 11768 | Northport, NY | 2.5 mi E | Standard |
| 11743 | Huntington, NY | 2.5 mi SW | Standard |
| 11731 | East Northport, NY | 4 mi SE | Standard |
| 11724 | Cold Spring Harbor, NY | 4.2 mi SW | Standard |
| 11746 | Huntington Station, NY | 5.5 mi S | Standard |
| 11725 | Commack, NY | 6.1 mi SE | Standard |
| 11754 | Kings Park, NY | 6.9 mi E | Standard |
| 11747 | Melville, NY | 6.9 mi S | Standard |
| 11760 | Melville, NY | 7.2 mi S | PO Box only |
| 11775 | Melville, NY | 7.2 mi S | Unique |
| 11797 | Woodbury, NY | 7.3 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11721 or measure the distance to another ZIP code.
How to address mail to 11721
123 MAIN ST
CENTERPORT NY 11721
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Center Port: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (11721-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11721?
- 11721 is a Centerport, New York ZIP code.
- What county is 11721 in?
- ZIP code 11721 is in Suffolk County, New York.
- What time zone is ZIP code 11721 in?
- 11721 is in the Eastern Time zone (America/New_York).
- What area code is 11721?
- Phone numbers in ZIP code 11721 use area codes 631 and 934.
- What is the population of ZIP code 11721?
- About 6,426 people live in ZIP code 11721, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11721?
- The median household income in 11721 is $197,179 a year, higher than 98% of New York ZIP codes.
- What ZIP codes are near 11721?
- The nearest ZIP codes to 11721 are 11740 (Greenlawn, 2.2 miles), 11768 (Northport, 2.5 miles), 11743 (Huntington, 2.5 miles) and 11731 (East Northport, 4 miles).