The 110 prefix covers the Floral Park area in New York , specifically serving parts of Nassau and Queens counties.
If you are working with computer files, "zip" refers to a common archive format used to reduce file size and bundle multiple items together. How to make a ZIP Files in Windows 110zip
In the context of the United States Postal Service (USPS), the first three digits of a ZIP Code (the "sectional center facility" or SCF) indicate the general geographic region for mail processing. The 110 prefix covers the Floral Park area