ZIP code · Mount Vernon · New York · United States
ZIP code 10551 — Mount Vernon
ZIP code 10551 serves Mount Vernon, New York.
- Postal code
- 10551Single source Value from one source, not cross-checked.
- City
- Mount Vernon
- County
- Westchester
- State
- New York
- Country
- United States
- Coordinates
- 40.9126, -73.8371 — 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
- 914Telephone 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 10551 with another ZIP · ZIPs within 25 miles · distance from 10551
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 43 | 50 | 61 | 72 | 81 | 86 | 84 | 77 | 66 | 54 | 45 |
| Avg low °F | 27 | 29 | 35 | 44 | 55 | 64 | 71 | 69 | 62 | 51 | 41 | 33 |
| Precip in | 3.7 | 3.2 | 4.4 | 4.0 | 4.1 | 4.5 | 4.4 | 4.8 | 4.5 | 4.1 | 3.5 | 4.7 |
NOAA 1991–2020 climate normals from the nearest station: BRONX (5.3 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