Putnam County, New York ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
10541Mahopac26,361
10512Carmel24,234
10509Brewster20,046
10579Putnam Valley9,019
12563Patterson7,304
10516Cold Spring5,362
10524Garrison4,578
10537Lake Peekskill2,439
10542Mahopac Falls0

Overview of ZIP Codes in Putnam County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Putnam County, New York (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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