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/UT/SMALLEST-AREA

Smallest ZIP Codes in Utah 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 84138 Salt Lake City Salt Lake 0.01 sq mi
2 84322 Logan Cache 0.02 sq mi
3 84180 Salt Lake City Salt Lake 0.02 sq mi
4 84150 Salt Lake City Salt Lake 0.05 sq mi
5 84114 Salt Lake City Salt Lake 0.06 sq mi
6 84602 Provo Utah 0.18 sq mi
7 84113 Salt Lake City Salt Lake 0.19 sq mi
8 84334 Riverside Box Elder 0.45 sq mi
9 84408 Ogden Weber 0.49 sq mi
10 84112 Salt Lake City Salt Lake 0.89 sq mi
11 84111 Salt Lake City Salt Lake 1.36 sq mi
12 84772 Summit Iron 1.46 sq mi
13 84101 Salt Lake City Salt Lake 1.84 sq mi
14 84008 Bonanza Uintah 1.92 sq mi
15 84102 Salt Lake City Salt Lake 1.93 sq mi
16 84301 Bear River City Box Elder 2.82 sq mi
17 84105 Salt Lake City Salt Lake 3.08 sq mi
18 84326 Millville Cache 3.58 sq mi
19 84656 Scipio Millard 3.79 sq mi
20 84332 Providence Cache 4.00 sq mi
21 84724 Elsinore Sevier 4.07 sq mi
22 84784 Hildale Washington 4.23 sq mi
23 84304 Cache Junction Cache 4.37 sq mi
24 84745 La Verkin Washington 5.00 sq mi
25 84711 Annabella Sevier 5.06 sq mi
26 84094 Sandy Salt Lake 5.08 sq mi
27 84059 Orem Utah 5.33 sq mi
28 84093 Sandy Salt Lake 5.51 sq mi
29 84318 Hyde Park Cache 5.58 sq mi
30 84117 Salt Lake City Salt Lake 5.62 sq mi
31 84621 Axtell Sanpete 5.78 sq mi
32 84097 Orem Utah 6.03 sq mi
33 84106 Salt Lake City Salt Lake 6.04 sq mi
34 84115 Salt Lake City Salt Lake 6.07 sq mi
35 84057 Orem Utah 6.16 sq mi
36 84743 Kingston Piute 6.26 sq mi
37 84047 Midvale Salt Lake 6.38 sq mi
38 84520 East Carbon Carbon 6.55 sq mi
39 84084 West Jordan Salt Lake 6.64 sq mi
40 84129 Salt Lake City Salt Lake 6.67 sq mi
41 84070 Sandy Salt Lake 7.34 sq mi
42 84107 Salt Lake City Salt Lake 7.54 sq mi
43 84124 Salt Lake City Salt Lake 7.71 sq mi
44 84024 Echo Summit 7.77 sq mi
45 84314 Honeyville Box Elder 7.77 sq mi
46 84076 Tridell Uintah 7.85 sq mi
47 84042 Lindon Utah 7.93 sq mi
48 84058 Orem Utah 8.04 sq mi
49 84067 Roy Weber 8.20 sq mi
50 84123 Salt Lake City Salt Lake 8.27 sq mi

Showing the top 50 of 298 ZIP codes in Utah that have this figure and meet the threshold above. 84138 ranks 1st at 0.01 sq mi, against 8.27 sq mi in 50th place.

Other rankings for Utah

Cite this page

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

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