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City ZIP codes · New York

Plattsburgh, NY ZIP Codes

2 ZIP codes use the postal name Plattsburgh, New York (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $60,942 in 12901 to $77,733 in 12903, 1.3 times as much (Census Bureau, ACS 2020-2024). Plattsburgh's most populous ZIP code is 12901, with 31,447 people (ACS 2020-2024); 6% of its land is in the city of Plattsburgh.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Plattsburgh's ZIP codes?

12901: $61k median household income12903: $78k median household income129011290312901: $61k median household income12903: $78k median household income129011290312901: $61k median household income12903: $78k median household income1290112903
The 2 residential ZIP codes named Plattsburgh, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Plattsburgh's ZIP codes?

The highest median household income is in 12903 ($77,733), the lowest in 12901 ($60,942). Home values run from $189,400 in 12901 to $210,400 in 12903.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Plattsburgh

Residential ZIP codes with the postal name Plattsburgh, NY, largest first (ACS 2020-2024); sort by any column
County
12901 Clinton County 31,447 445 $61k $189k
12903 Clinton County 1,824 430 $78k $210k

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

Which counties do Plattsburgh's ZIP codes reach?

Plattsburgh's residential ZIP codes lie in Clinton County.

Which places do Plattsburgh's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Plattsburgh's residential ZIP codes cover Plattsburgh itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Parc census-designated 12901, 12903
  • Cumberland Head census-designated 12901
  • Plattsburgh West census-designated 12901

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Plattsburgh's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Plattsburgh starts with 129.

Three-digit prefixes of Plattsburgh's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Plattsburgh's
PrefixSectional centerHereAll codes
129 Albany, NY (SCF 120) 2 74

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.