County: Lake
| Zip code | County Code |
MSA Code |
City | State |
|---|---|---|---|---|
| 46303 | 18089 | Gary, IN | Cedar Lake | Indiana |
| 46307 | 18089 | Gary, IN | Crown Point | Indiana |
| 46308 | 18089 | Gary, IN | Crown Point | Indiana |
| 46311 | 18089 | Gary, IN | Dyer | Indiana |
| 46312 | 18089 | Gary, IN | East Chicago | Indiana |
| 46406 | 18089 | Gary, IN | Gary | Indiana |
| 46407 | 18089 | Gary, IN | Gary | Indiana |
| 46408 | 18089 | Gary, IN | Gary | Indiana |
| 46409 | 18089 | Gary, IN | Gary | Indiana |
| 46401 | 18089 | Gary, IN | Gary | Indiana |
| 46402 | 18089 | Gary, IN | Gary | Indiana |
| 46403 | 18089 | Gary, IN | Gary | Indiana |
| 46404 | 18089 | Gary, IN | Gary | Indiana |
| 46319 | 18089 | Gary, IN | Griffith | Indiana |
| 46327 | 18089 | Gary, IN | Hammond | Indiana |
| 46325 | 18089 | Gary, IN | Hammond | Indiana |
| 46324 | 18089 | Gary, IN | Hammond | Indiana |
| 46323 | 18089 | Gary, IN | Hammond | Indiana |
| 46320 | 18089 | Gary, IN | Hammond | Indiana |
| 46322 | 18089 | Gary, IN | Highland | Indiana |
| 46342 | 18089 | Gary, IN | Hobart | Indiana |
| 46405 | 18089 | Gary, IN | Lake Station | Indiana |
| 46355 | 18089 | Gary, IN | Leroy | Indiana |
| 46356 | 18089 | Gary, IN | Lowell | Indiana |
| 46410 | 18089 | Gary, IN | Merrillville | Indiana |
| 46411 | 18089 | Gary, IN | Merrillville | Indiana |
| 46321 | 18089 | Gary, IN | Munster | Indiana |
| 46373 | 18089 | Gary, IN | Saint John | Indiana |
| 46375 | 18089 | Gary, IN | Schererville | Indiana |
| 46376 | 18089 | Gary, IN | Schneider | Indiana |
| 46377 | 18089 | Gary, IN | Shelby | Indiana |
| 46394 | 18089 | Gary, IN | Whiting | Indiana |