Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/IN/LARGEST-AREA

Largest ZIP Codes in Indiana by Land Area

What this measures. Land area of the Census tabulation area, in square miles. Water is excluded. Source: Census Gazetteer, data release 2026-10-12.

# ZIP City County Land area
1 47240 Greensburg Decatur 303.53 sq mi
2 47978 Rensselaer Jasper 263.74 sq mi
3 46041 Frankfort Clinton 248.43 sq mi
4 47933 Crawfordsville Montgomery 235.68 sq mi
5 46173 Rushville Rush 225.58 sq mi
6 47371 Portland Jay 219.60 sq mi
7 47274 Seymour Jackson 214.75 sq mi
8 47167 Salem Washington 213.00 sq mi
9 47250 Madison Jefferson 211.39 sq mi
10 47620 Mount Vernon Posey 208.78 sq mi
11 46975 Rochester Fulton 207.65 sq mi
12 46151 Martinsville Morgan 203.62 sq mi
13 46725 Columbia City Whitley 202.76 sq mi
14 46750 Huntington Huntington 201.37 sq mi
15 47201 Columbus Bartholomew 201.22 sq mi
16 46350 La Porte LaPorte 193.50 sq mi
17 47331 Connersville Fayette 191.59 sq mi
18 46947 Logansport Cass 190.27 sq mi
19 46996 Winamac Pulaski 189.29 sq mi
20 47944 Fowler Benton 188.91 sq mi
21 47448 Nashville Brown 187.59 sq mi
22 47424 Bloomfield Greene 186.57 sq mi
23 47265 North Vernon Jennings 185.58 sq mi
24 47421 Bedford Lawrence 184.44 sq mi
25 46970 Peru Miami 179.92 sq mi
26 46052 Lebanon Boone 177.62 sq mi
27 46140 Greenfield Hancock 172.51 sq mi
28 46733 Decatur Adams 172.43 sq mi
29 47872 Rockville Parke 169.57 sq mi
30 46176 Shelbyville Shelby 169.47 sq mi
31 46135 Greencastle Putnam 167.07 sq mi
32 47591 Vincennes Knox 166.51 sq mi
33 47012 Brookville Franklin 165.68 sq mi
34 46992 Wabash Wabash 163.17 sq mi
35 47112 Corydon Harrison 161.86 sq mi
36 47802 Terre Haute Vigo 158.84 sq mi
37 47834 Brazil Clay 154.18 sq mi
38 46563 Plymouth Marshall 153.14 sq mi
39 47460 Spencer Owen 150.54 sq mi
40 47362 New Castle Henry 147.73 sq mi
41 47170 Scottsburg Scott 146.33 sq mi
42 47993 Williamsport Warren 144.82 sq mi
43 47882 Sullivan Sullivan 141.83 sq mi
44 47581 Shoals Martin 141.42 sq mi
45 46901 Kokomo Howard 140.87 sq mi
46 47918 Attica Fountain 139.96 sq mi
47 47501 Washington Daviess 139.41 sq mi
48 47553 Loogootee Martin 138.59 sq mi
49 46923 Delphi Carroll 134.93 sq mi
50 47906 West Lafayette Tippecanoe 133.58 sq mi

Showing the top 50 of 807 ZIP codes in Indiana that have this figure and meet the threshold above. 47240 ranks 1st at 303.53 sq mi, against 133.58 sq mi in 50th place.

Other rankings for Indiana

Cite this page

zipcodes.pro. “Largest ZIP Codes in Indiana by Land Area.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/in/largest-area

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