ZIP code · Plattsburgh · New York · United States
ZIP code 12903 — Plattsburgh
ZIP code 12903 serves Plattsburgh, New York.
- Postal code
- 12903Single source Value from one source, not cross-checked.
- City
- Plattsburgh
- County
- Clinton FIPS 36019
- State
- New York
- Country
- United States
- Coordinates
- 44.6854, -73.4474 — precision precise (locality)
View on OpenStreetMap - Population
- 1,740 (ZCTA, ACS 5-year)
- Population density
- 410 / sq mi
- Land area
- 4.2 sq mi (11 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,912
- Per-capita income
- $51,687
- Median age
- 45.9
- Households
- 874
- Housing units
- 931
- Median home value
- $192,700
- Median gross rent
- $1,550 / month
- Congressional district
- NY-21 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °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
- 518Telephone 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 12903 with another ZIP · ZIPs within 25 miles · distance from 12903
Map of ZIP code 12903
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 31 | 40 | 54 | 68 | 75 | 81 | 79 | 71 | 58 | 46 | 34 |
| Avg low °F | 10 | 11 | 21 | 33 | 44 | 53 | 59 | 57 | 49 | 38 | 29 | 19 |
| Precip in | 1.4 | 1.2 | 1.3 | 2.5 | 2.9 | 4.1 | 3.6 | 3.6 | 3.1 | 3.0 | 2.3 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: PLATTSBURGH INTL AP (2.6 mi) · NOAA NCEI
Places in ZIP 12903
- 1 restaurants & cafés
- 2 bars & pubs
- 4 parks
- 1 banks
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page