| Locality | Post Code |
|---|---|
| Manhasset, Nassau | 11030 |
| Manhasset Hills, Nassau | 11040 |
| Manorhaven, Nassau | 11050 |
| Massapequa, Nassau | 11758 |
| Massapequa Park, Nassau | 11762 |
| Matinecock, Nassau | 11560 |
| Meacham, Nassau | 11003 |
| Meadowmere Park, Nassau | 11559 |
| Merrick, Nassau | 11566 |
| Mill Neck, Nassau | 11765 |
| Mineola, Nassau | 11501 |
| Mitchell Field, Nassau | 11530, 11553 |
| Muttontown, Nassau | 11545, 11732, 11753, 11771, 11791 |
| New Cassel, Nassau | 11590 |
| New Hyde Park, Nassau | 11040, 11042 |
| North Baldwin, Nassau | 11510 |
| North Bellmore, Nassau | 11710 |
| North Hills, Nassau | 11040 |
| North Massapequa, Nassau | 11758 |
| North Merrick, Nassau | 11566 |
| North New Hyde Park, Nassau | 11040, 11042 |
| North Valley Stream, Nassau | 11580 |
| North Wantagh, Nassau | 11793 |
| North Woodmere, Nassau | 11581 |
| Oceanside, Nassau | 11572 |
| Old Bethpage, Nassau | 11804 |