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/SMALLEST-AREA

Smallest ZIP Codes in Indiana by Land Area

What this measures. Land area of the Census tabulation area, smallest first. These are almost always dense urban ZIP codes covering a few city blocks. Source: Census Gazetteer, data release 2026-10-12.

# ZIP City County Land area
1 47870 Prairieton Vigo 0.00 sq mi
2 47033 Morris Ripley 0.00 sq mi
3 47021 Friendship Ripley 0.01 sq mi
4 47435 Helmsburg Brown 0.01 sq mi
5 47875 Saint Bernice Vermillion 0.01 sq mi
6 47434 Harrodsburg Monroe 0.01 sq mi
7 46945 Leiters Ford Fulton 0.01 sq mi
8 47457 Scotland Greene 0.01 sq mi
9 46624 South Bend St. Joseph 0.01 sq mi
10 47458 Smithville Monroe 0.01 sq mi
11 46047 Hobbs Tipton 0.01 sq mi
12 46206 Indianapolis Marion 0.02 sq mi
13 46502 Atwood Kosciusko 0.02 sq mi
14 47467 Tunnelton Lawrence 0.02 sq mi
15 46155 Mays Rush 0.02 sq mi
16 47851 Fontanet Vigo 0.02 sq mi
17 47831 Blanford Vermillion 0.02 sq mi
18 47880 Shepardsville Vigo 0.02 sq mi
19 46125 Eminence Morgan 0.03 sq mi
20 46786 South Milford LaGrange 0.03 sq mi
21 46796 Wolflake Noble 0.03 sq mi
22 46980 Servia Wabash 0.03 sq mi
23 47455 Patricksburg Owen 0.03 sq mi
24 47573 Ragsdale Knox 0.03 sq mi
25 47654 Mackey Gibson 0.03 sq mi
26 47925 Buffalo White 0.04 sq mi
27 46154 Maxwell Hancock 0.04 sq mi
28 47361 Mount Summit Henry 0.05 sq mi
29 46984 Somerset Wabash 0.05 sq mi
30 47865 Paxton Sullivan 0.06 sq mi
31 47853 Harmony Clay 0.06 sq mi
32 46922 Delong Fulton 0.06 sq mi
33 47916 Alamo Montgomery 0.06 sq mi
34 47370 Pershing Wayne 0.06 sq mi
35 46704 Arcola Allen 0.07 sq mi
36 47869 Prairie Creek Vigo 0.07 sq mi
37 46183 West Newton Marion 0.07 sq mi
38 47683 Somerville Gibson 0.07 sq mi
39 46045 Goldsmith Tipton 0.08 sq mi
40 46508 Burket Kosciusko 0.08 sq mi
41 47863 New Goshen Vigo 0.08 sq mi
42 47382 Saratoga Randolph 0.08 sq mi
43 47871 Riley Vigo 0.09 sq mi
44 47263 New Point Decatur 0.09 sq mi
45 46967 Onward Cass 0.09 sq mi
46 47226 Clifford Bartholomew 0.09 sq mi
47 47366 New Lisbon Henry 0.09 sq mi
48 47986 Templeton Benton 0.10 sq mi
49 46345 Kingsbury LaPorte 0.10 sq mi
50 46513 Donaldson Marshall 0.10 sq mi

Showing the top 50 of 807 ZIP codes in Indiana that have this figure and meet the threshold above. 47870 ranks 1st at 0.00 sq mi, against 0.10 sq mi in 50th place.

Other rankings for Indiana

Cite this page

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

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