ZIP codes in Hammond, Indiana
Hammond has 5 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 46320 | Lake | 77,614 | America/Chicago |
| 46323 | Lake | 77,614 | America/Chicago |
| 46324 | Lake | 77,614 | America/Chicago |
| 46325 | Lake | 77,614 | America/Chicago |
| 46327 | Lake | 77,614 | America/Chicago |
About Hammond ZIP codes
ZIP codes in Hammond are part of the USPS delivery network for Indiana. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 77,614.