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/ND/SMALLEST-AREA

Smallest ZIP Codes in North Dakota 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 58402 Jamestown Stutsman 0.04 sq mi
2 58076 Wahpeton Richland 0.07 sq mi
3 58707 Minot Ward 0.11 sq mi
4 58405 Jamestown Stutsman 0.17 sq mi
5 58505 Bismarck Burleigh 0.21 sq mi
6 58313 Balta Pierce 0.22 sq mi
7 58105 Fargo Cass 0.24 sq mi
8 58202 Grand Forks Grand Forks 0.43 sq mi
9 58452 Jessie Griggs 0.48 sq mi
10 58255 Maida Cavalier 0.48 sq mi
11 58074 Wahpeton Richland 0.95 sq mi
12 58204 Grand Forks Afb Grand Forks 1.22 sq mi
13 58001 Abercrombie Richland 1.42 sq mi
14 58565 Riverdale McLean 1.61 sq mi
15 58705 Minot Afb Ward 2.52 sq mi
16 58002 Absaraka Cass 3.29 sq mi
17 58065 Pillsbury Barnes 4.22 sq mi
18 58704 Minot Afb Ward 4.73 sq mi
19 58219 Caledonia Traill 5.82 sq mi
20 58205 Grand Forks Afb Grand Forks 6.28 sq mi
21 58379 Tokio Benson 6.77 sq mi
22 58236 Glasston Pembina 10.15 sq mi
23 58103 Fargo Cass 11.46 sq mi
24 58644 Marshall Dunn 11.61 sq mi
25 58310 Agate Rolette 14.26 sq mi
26 58224 Dahlen Nelson 14.43 sq mi
27 58853 Trenton Williams 14.77 sq mi
28 58262 Mountain Pembina 16.59 sq mi
29 58713 Bantry McHenry 18.84 sq mi
30 58015 Christine Richland 20.94 sq mi
31 58501 Bismarck Burleigh 22.81 sq mi
32 58058 Mantador Richland 22.95 sq mi
33 58244 Inkster Grand Forks 25.03 sq mi
34 58355 Nekoma Cavalier 25.18 sq mi
35 58339 Hansboro Towner 27.84 sq mi
36 58104 Fargo Cass 28.05 sq mi
37 58335 Fort Totten Benson 28.10 sq mi
38 58258 Mekinock Grand Forks 29.91 sq mi
39 58102 Fargo Cass 31.64 sq mi
40 58009 Blanchard Traill 36.09 sq mi
41 58078 West Fargo Cass 39.82 sq mi
42 58785 Surrey Ward 40.72 sq mi
43 58362 Penn Ramsey 41.14 sq mi
44 58042 Harwood Cass 43.20 sq mi
45 58029 Erie Cass 43.33 sq mi
46 58007 Ayr Cass 49.11 sq mi
47 58062 Nome Barnes 49.54 sq mi
48 58006 Arthur Cass 49.66 sq mi
49 58004 Amenia Cass 51.70 sq mi
50 58370 Saint Michael Benson 52.52 sq mi

Showing the top 50 of 388 ZIP codes in North Dakota that have this figure and meet the threshold above. 58402 ranks 1st at 0.04 sq mi, against 52.52 sq mi in 50th place.

Other rankings for North Dakota

Cite this page

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

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