ZIP code 11556: Uniondale, NY
11556 is a ZIP code in Uniondale, New York, mainly in Nassau County, part of the New York-Newark-Jersey City, NY-NJ metro area.
- Population
- 0
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- —
- Homeowners
- —of occupied homes
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Shaded: ZIP code 11556's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 11556 details
| City | Uniondale |
|---|---|
| State | New York |
| County | Nassau County |
| Metro area | New York-Newark-Jersey City, NY-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.1 sq mi |
| Center coordinates | 40.71994, -73.58340 |
ZIP codes near 11556
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 11549 | Hempstead, NY | 0.9 mi | 2,359 |
| 11553 | Uniondale, NY | 1.1 mi | 27,875 |
| 11554 | East Meadow, NY | 1.3 mi | 36,821 |
| 11555 | Uniondale, NY | 1.4 mi | — |
| 11551 | Hempstead, NY | 2.1 mi | — |
| 11550 | Hempstead, NY | 2.4 mi | 60,960 |
| 11590 | Westbury, NY | 2.5 mi | 47,599 |
| 11514 | Carle Place, NY | 2.6 mi | 4,544 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 11556
What city is ZIP code 11556?
ZIP code 11556 is in Uniondale, NY, in Nassau County.
What county is ZIP code 11556 in?
11556 is mainly in Nassau County, New York.
What time zone is ZIP code 11556 in?
11556 is in Eastern Time (UTC−5). It observes daylight saving time.