| TOWN | ZIP CODE | TOWN | ZIP CODE | |
| Amityville (Part) | 11701 | Islip (Part) | 11751 | |
| Asharoken | 11768 | Islip Terrace | 11752 | |
| Bay Shore (Part) | 11706 | Jericho (Part) | 11753 | |
| Bayport | 11705 | Kings Park (Part) | 11754 | |
| Baywood | 11706 | Lindenhurst | 11757 | |
| Bohemia | 11716 | Lloyd Harbor | 11743 | |
| Brentwood | 11717 | Melville | 11747 | |
| Brightwaters (Part) | 11718 | North Amityville | 11701 | |
| Centerport | 11721 | North Bay Shore | 11706 | |
| Central Islip | 11722 | North Great River | 11752 | |
| Cold Spring Harbor | 11724 | Northport | 11768 | |
| Commack | 11725 | North Babylon (Part) | 11703 | |
| Copiague (Part) | 11726 | Oakdale | 11769 | |
| Deer Park | 11729 | Ocean Beach | 11770 | |
| Dix Hills | 11746 | Old Bethpage (Part) | 11804 | |
| East Farmingdale | 11735 | Plainview | 11803 | |
| East Northport | 11731 | Ronkonkoma | 11779 | |
| Eaton's Neck | 11768 | Saltaire | 11706 | |
| Elwood | 11731 | Sayville | 11782 | |
| Fort Salonga (Part) | 11768 | Smithtown (Part) | 11787 | |
| Great River | 11739 | South Huntington | 11743 | |
| Greenlawn | 11740 | Syosset (Part) | 11791 | |
| Halesite | 11743 | West Babylon | 11704 | |
| Hauppauge | 11788 | West Hills | 11743 | |
| Holbrook | 11741 | West Islip (Part) | 11795 | |
| Huntington | 11743 | West Sayville | 11796 | |
| Huntington Bay | 11743 | Wheatley Heights | 11798 | |
| Huntington Station | 11743 | Woodbury | 11797 | |
| Islandia | 11749 | Wyandanch | 11798 |
