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/AZ/LARGEST-AREA

Largest ZIP Codes in Arizona 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 85634 Sells Pima 2,805.29 sq mi
2 85643 Willcox Graham 2,206.71 sq mi
3 86337 Seligman Yavapai 1,708.46 sq mi
4 86047 Winslow Navajo 1,676.60 sq mi
5 85365 Yuma Yuma 1,349.01 sq mi
6 85321 Ajo Pima 1,343.78 sq mi
7 86020 Cameron Coconino 1,247.93 sq mi
8 86401 Kingman Mohave 1,226.34 sq mi
9 86033 Kayenta Navajo 1,209.50 sq mi
10 86435 Supai Coconino 1,169.30 sq mi
11 86044 Tonalea Coconino 1,144.49 sq mi
12 85936 Saint Johns Apache 1,119.48 sq mi
13 86432 Littlefield Mohave 1,075.85 sq mi
14 86505 Ganado Apache 1,073.62 sq mi
15 85360 Wikieup Mohave 1,069.32 sq mi
16 86036 Marble Canyon Coconino 1,012.02 sq mi
17 86503 Chinle Apache 990.97 sq mi
18 86438 Yucca Mohave 960.74 sq mi
19 85533 Clifton Greenlee 953.26 sq mi
20 86046 Williams Coconino 917.41 sq mi
21 86004 Flagstaff Coconino 914.60 sq mi
22 86040 Page Coconino 887.92 sq mi
23 86502 Chambers Apache 883.60 sq mi
24 86434 Peach Springs Mohave 882.33 sq mi
25 85344 Parker La Paz 880.27 sq mi
26 85602 Benson Cochise 847.54 sq mi
27 85632 San Simon Cochise 828.52 sq mi
28 85554 Young Gila 828.19 sq mi
29 86052 North Rim Coconino 823.41 sq mi
30 85541 Payson Gila 808.49 sq mi
31 86320 Ash Fork Coconino 806.90 sq mi
32 86022 Fredonia Coconino 802.39 sq mi
33 85607 Douglas Cochise 778.45 sq mi
34 86025 Holbrook Navajo 737.14 sq mi
35 86045 Tuba City Coconino 722.16 sq mi
36 85325 Bouse La Paz 718.38 sq mi
37 85354 Tonopah Maricopa 715.65 sq mi
38 85546 Safford Graham 696.51 sq mi
39 86510 Pinon Navajo 695.33 sq mi
40 86514 Teec Nos Pos Apache 692.40 sq mi
41 85348 Salome La Paz 685.79 sq mi
42 85922 Blue Greenlee 671.32 sq mi
43 85924 Concho Apache 667.30 sq mi
44 86024 Happy Jack Coconino 658.96 sq mi
45 85333 Dateland Maricopa 627.86 sq mi
46 86053 Kaibeto Coconino 624.05 sq mi
47 85132 Florence Pinal 601.27 sq mi
48 86305 Prescott Yavapai 588.49 sq mi
49 85501 Globe Gila 549.56 sq mi
50 86332 Kirkland Yavapai 535.05 sq mi

Showing the top 50 of 417 ZIP codes in Arizona that have this figure and meet the threshold above. 85634 ranks 1st at 2,805.29 sq mi, against 535.05 sq mi in 50th place.

Other rankings for Arizona

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.