NWI Zip Codes

Zip Codes for Cities and Towns in Northwest Indiana:

NWI Zip Codes

Lake County:

  • Cedar Lake – 46303
  • Crown Point – 46307, 46308
  • Dyer – 46311, 46373
  • East Chicago – 46312
  • Gary – 46401, 46402, 46403, 46404, 46405, 46406, 46407, 46408, 46409
  • Griffith – 46319
  • Hammond – 46320, 46323, 46324, 46325, 46327,
  • Highland – 46322, 47854
  • Lake Station – 46405
  • Lowell – 46356
  • Merrillville – 46410, 46411
  • Munster – 46321
  • New Chicago – 46342
  • Schererville – 46375
  • Schneider – 46376
  • St. John – 46373
  • Whiting – 46394
  • Winfield – 46307

Porter County:

  • Beverly Shores – 46301
  • Burns Harbor – 46304
  • Chesterton – 46304
  • Dune Acres – 46304
  • Hebron – 46341
  • Kouts – 46347
  • Ogden Dunes – 46368
  • Portage – 46368
  • Porter – 46304
  • Town of Pines
  • Valparaiso – 46383, 46384, 46385

Laporte County:

  • Kingsbury – 46345
  • Kingsford Heights – 46346
  • La Crosse – 46348
  • La Porte – 46350, 46352
  • Long Beach – 46350
  • Michiana Shores – 46360
  • Michigan City – 46360, 46361
  • Pottawattamie Park – 46360
  • Trail Creek – 46360
  • Wanatah – 46390
  • Westville – 46391

Jasper County:

  • DeMotte – 46310
  • Fair Oaks – 47943
  • Remington – 47977
  • Rensselaer – 47978
  • Roselawn – 46310, 46372
  • Wheatfield – 46380, 46392,

Newton County:

  • Brook – 47922
  • Goodland – 47948
  • Kentland – 47951
  • Lake Village – 46349
  • Morocco – 47963
  • Mount Ayr – 47964
  • Roselawn – 46372, 46310