Zip Area Code

Hammond, Indiana

Hammond, Indiana, in Lake County, has ZIP codes 46320, 46323, 46324, 46325 and 46327 and area code 219.

ZIP codes
46320, 46323, 46324, 46325 …
Area code
219
State
Indiana
Coordinates
41.5752, -87.4697

ZIP codes in Hammond

ZIP codePost officeCountyArea codes
46320HammondLake County219
46323HammondLake County219
46324HammondLake County219
46325*HammondLake County219
46327HammondLake County219

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area code for Hammond

  • Area code 219

    In service since 1948. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Towns near Hammond