Post Offices List in Wantagh City, New York:
| Wantagh Post Office | 3300 Park Ave, Wantagh, NY 11793 |
| North Wantagh Post Office | 1250 Wantagh Ave, Wantagh, NY 11793 |
| Wantagh Post Office | 3300 Park Ave, Wantagh, NY 11793 |
| North Wantagh Post Office | 1250 Wantagh Ave, Wantagh, NY 11793 |