Holtsville zipcode
| City | Holtsville |
| ZIP Code | 11742 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Holtsville is 11742. This place is located in New York state in US. To send any postal service to Holtsville, you must use 11742 zipcode.
| City | Holtsville |
| ZIP Code | 11742 |
| Type | Standard |
| State Code | NY |
| State | New York |
ZIP code of Holtsville is 11742. This place is located in New York state in US. To send any postal service to Holtsville, you must use 11742 zipcode.
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