ZIP code · Syosset · New York · United States
ZIP code 11773 — Syosset
ZIP code 11773 serves Syosset, New York.
- Postal code
- 11773Single source Value from one source, not cross-checked.
- City
- Syosset
- County
- Nassau
- State
- New York
- Country
- United States
- Coordinates
- 40.8262, -73.5021 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 845 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 11773 with another ZIP · ZIPs within 25 miles · distance from 11773
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 41 | 48 | 58 | 68 | 77 | 83 | 82 | 75 | 64 | 53 | 44 |
| Avg low °F | 25 | 26 | 33 | 42 | 51 | 61 | 68 | 67 | 60 | 48 | 38 | 31 |
| Precip in | 2.7 | 2.0 | 3.5 | 3.6 | 3.2 | 3.5 | 3.0 | 3.3 | 3.7 | 3.4 | 2.9 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: FARMINGDALE AP (7.8 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page