Zip Codes in Holtsville, NY
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 00501 | Holtsville | Suffolk | New York | Show Map | Show Statistics |
| 00544 | Holtsville | Suffolk | New York | Show Map | Show Statistics |
| 11742 | Holtsville | Suffolk | New York | Show Map | Show Statistics |