11555 is the ZIP Code for Citibank in Uniondale, New York. 11555 is entirely within Nassau County. Regionally, it is located in Metro New York City.
| ZIP Code Name | Uniondale |
| Organization | Citibank |
| Primary County | Nassau County |
| ZIP Code Type | Unique |
| Current Time | EDT |
| Coordinates | 40.69653702,-73.57833862 |
| Adjacent ZIP Codes | |
| Region | Metro New York City |
| Metropolitan/Micropolitan Stat Area | New York-Newark-Jersey City, NY-NJ-PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |