The city of Rockville Centre is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Rockville Centre helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Rockville Centre ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.
| Post Office | Rockville Centre |
| County | Nassau |
| State | New York |
| ZIP Code | 11570 |
| Post Office | Rockville Centre |
| County | Nassau |
| State | New York |
| ZIP Code | 11571 |