ZIP codes in Lake County
Search this county or open a ZIP profile to explore free data, state and U.S. percentiles, and nearby ZIP codes.
- 46303 Cedar LakeLake County
- 46307 Crown PointLake County
- 46311 DyerLake County
- 46312 East ChicagoLake County
- 46319 GriffithLake County
- 46320 HammondLake County
- 46321 MunsterLake County
- 46322 HighlandLake County
- 46323 HammondLake County
- 46324 HammondLake County
- 46327 HammondLake County
- 46342 HobartLake County
- 46356 LowellLake County
- 46373 Saint JohnLake County
- 46375 ScherervilleLake County
- 46376 SchneiderLake County
- 46377 ShelbyLake County
- 46394 HammondLake County
- 46402 GaryLake County
- 46403 GaryLake County
- 46404 GaryLake County
- 46405 Lake StationLake County
- 46406 GaryLake County
- 46407 GaryLake County
- 46408 GaryLake County
- 46409 GaryLake County
- 46410 MerrillvilleLake County