ZIP code 11956
Where is ZIP code 11956?
New Suffolk, New York
Suffolk County · PO Box only ZIP code
ZIP code 11956 belongs to New Suffolk, New York in Suffolk County. 11956 is a PO Box only ZIP code: it is used for post office boxes at the New Suffolk post office, not for street addresses. It is in the Eastern Time zone and uses area codes 631 and 934. About 298 people live in the 11956 area, where the median household income is $130,875. The closest ZIP codes are 11935 (Cutchogue, 1.6 mi north), 11952 (Mattituck, 3.2 mi west) and 11958 (Peconic, 3.3 mi north).
| ZIP code | 11956 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | New Suffolk |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.9915, -72.4759 map |
| 3-digit prefix | 119 |
Population and income in 11956
| Population | 298 · lower than 87% of New York ZIP codes |
|---|---|
| People per square mile | 235 · higher than 53% of New York ZIP codes |
| Median age | 62.5 years · higher than 95% of New York ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $130,875 · higher than 86% of New York ZIP codes |
| Income per person | $74,297 |
| Below the poverty line | 2.0% |
| Bachelor’s degree or higher | 72% of adults 25+ |
| Median home value | $1,060,000 · higher than 96% of New York ZIP codes |
| Housing units | 310 |
| Households | 141 (2.11 people on average) |
| Owners / renters | 95% / 5.0% |
| Land area | 1.27 sq mi (plus 1.87 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11956. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11956
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11935 | Cutchogue, NY | 1.6 mi N | Standard |
| 11952 | Mattituck, NY | 3.2 mi W | Standard |
| 11958 | Peconic, NY | 3.3 mi N | Standard |
| 11948 | Laurel, NY | 4.4 mi W | Standard |
| 11971 | Southold, NY | 5.1 mi NE | Standard |
| 11947 | Jamesport, NY | 6.2 mi SW | PO Box only |
| 11970 | South Jamesport, NY | 6.5 mi SW | PO Box only |
| 11968 | Southampton, NY | 6.9 mi SE | Standard |
| 11976 | Water Mill, NY | 8.2 mi SE | Standard |
| 11931 | Aquebogue, NY | 8.5 mi W | PO Box only |
| 11946 | Hampton Bays, NY | 8.5 mi S | Standard |
| 11969 | Southampton, NY | 8.7 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11956 or measure the distance to another ZIP code.
How to address mail to 11956
PO BOX 123
NEW SUFFOLK NY 11956
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (11956-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11956?
- 11956 is a New Suffolk, New York ZIP code.
- What county is 11956 in?
- ZIP code 11956 is in Suffolk County, New York.
- What time zone is ZIP code 11956 in?
- 11956 is in the Eastern Time zone (America/New_York).
- What area code is 11956?
- Phone numbers in ZIP code 11956 use area codes 631 and 934.
- What is the population of ZIP code 11956?
- About 298 people live in ZIP code 11956, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11956?
- The median household income in 11956 is $130,875 a year, higher than 86% of New York ZIP codes.
- Can I use 11956 for a street address?
- No. 11956 is only for PO Boxes. Street addresses in New Suffolk use another ZIP code.
- What ZIP codes are near 11956?
- The nearest ZIP codes to 11956 are 11935 (Cutchogue, 1.6 miles), 11952 (Mattituck, 3.2 miles), 11958 (Peconic, 3.3 miles) and 11948 (Laurel, 4.4 miles).