Williamstown New York is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap Williamstown but have a different postal city name. The ZIP Codes in Williamstown range from 13302 to 13493. Of the ZIP codes within or partially within Williamstown there are 1 Standard ZIP Codes. The total population of ZIP Codes in Williamstown is 2205. Data Updated October 2, 2024
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Altmar | Standard | |||
| Williamstown | Standard |