Northwest Indiana ZIP Codes

Here we are telling you about all the ZIP Codes of Northwest Indiana. Northwest Indiana comes under the United State Of America.

Zip Codes List for all Cities and Town in Northwest Indiana

ZIP Code	Classification	City	Population	Time zone	Area Code(s)
ZIP Code 46303	General	Cedar Lake	14,170	Central	219
ZIP Code 46307	General	Crown Point	60,619	Central	219
ZIP Code 46308	P.O. Box	Crown Point	0	Central	219
ZIP Code 46311	General	Dyer	20,816	Central	219
ZIP Code 46312	General	East Chicago	29,698	Central	219
ZIP Code 46319	General	Griffith	18,404	Central	219
ZIP Code 46320	General	Hammond	15,508	Central	219
ZIP Code 46321	General	Munster	23,603	Central	219
ZIP Code 46322	General	Highland	23,727	Central	219
ZIP Code 46323	General	Hammond	22,743	Central	219
ZIP Code 46324	General	Hammond	23,165	Central	219
ZIP Code 46325	P.O. Box	Hammond	0	Central	219
ZIP Code 46327	General	Hammond	12,153	Central	219
ZIP Code 46342	General	Hobart	31,244	Central	219
ZIP Code 46355	P.O. Box	Leroy	0	Central	219
ZIP Code 46356	General	Lowell	17,524	Central	219
ZIP Code 46373	General	Saint John	13,859	Central	219
ZIP Code 46375	General	Schererville	23,820	Central	219
ZIP Code 46376	P.O. Box	Schneider	398	Central	219
ZIP Code 46377	P.O. Box	Shelby	386	Central	219
ZIP Code 46394	General	Whiting	12,258	Central	219
ZIP Code 46401	P.O. Box	Gary	0	Central	219
ZIP Code 46402	General	Gary	6,726	Central	219
ZIP Code 46403	General	Gary	12,601	Central	219
ZIP Code 46404	General	Gary	17,326	Central	219
ZIP Code 46405	General	Lake Station	11,746	Central	219
ZIP Code 46406	General	Gary	9,900	Central	219
ZIP Code 46407	General	Gary	12,656	Central	219
ZIP Code 46408	General	Gary	17,030	Central	219
ZIP Code 46409	General	Gary	8,932	Central	219
ZIP Code 46410	General	Merrillville	38,340	Central	219
ZIP Code 46411	P.O. Box	Merrillville	0	Central	219

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Northwest Indiana Information

Timezone(s):	Central
Population:	496,005
Male Population:	239383
Female Population:	256622
Median Age:	37
ZIP Codes:	32
Cities:	19
Counties:	1
Area Codes:	0
Total Area:	627 square miles (county)
Land Area:	499 square miles (county)
Water Area:	128 square miles (county)

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