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/AK/MOST-TAX-RETURNS

ZIP Codes With the Most Tax Returns Filed in Alaska

What this measures. Number of individual income tax returns filed. A rough proxy for how many households a ZIP code contains, available where census figures are not. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Returns filed
1 99504 Anchorage Anchorage 19,030
2 99507 Anchorage Anchorage 18,340
3 99654 Wasilla Matanuska-Susitna 16,880
4 99508 Anchorage Anchorage 14,910
5 99645 Palmer Matanuska-Susitna 14,430
6 99577 Eagle River Anchorage 13,260
7 99801 Juneau Juneau 12,510
8 99502 Anchorage Anchorage 11,800
9 99515 Anchorage Anchorage 11,140
10 99709 Fairbanks Fairbanks North Star 11,010
11 99516 Anchorage Anchorage 10,140
12 99705 North Pole Fairbanks North Star 9,500
13 99701 Fairbanks Yukon-Koyukuk 8,080
14 99669 Soldotna Kenai Peninsula 8,070
15 99517 Anchorage Anchorage 7,880
16 99501 Anchorage Anchorage 7,560
17 99503 Anchorage Bethel 7,140
18 99611 Kenai Kenai Peninsula 6,710
19 99901 Ketchikan Ketchikan Gateway 6,130
20 99603 Homer Kenai Peninsula 5,980
21 99615 Kodiak Kodiak Island 5,890
22 99518 Anchorage Anchorage 5,280
23 99835 Sitka Sitka 4,500
24 99712 Fairbanks Fairbanks North Star 4,350
25 99567 Chugiak Anchorage 4,150
26 99703 Fort Wainwright Fairbanks North Star 3,030
27 99559 Bethel Bethel 2,800
28 99506 Jber Anchorage 2,730
29 99664 Seward Kenai Peninsula 2,280
30 99505 Jber Anchorage 2,020
31 99737 Delta Junction Southeast Fairbanks 1,930
32 99686 Valdez Chugach 1,830
33 99672 Sterling Kenai Peninsula 1,780
34 99833 Petersburg Petersburg 1,660
35 99702 Eielson Afb Fairbanks North Star 1,460
36 99688 Willow Matanuska-Susitna 1,450
37 99556 Anchor Point Kenai Peninsula 1,270
38 99827 Haines Haines 1,250
39 99610 Kasilof Kenai Peninsula 1,140
40 99824 Douglas Juneau 1,080
41 99676 Talkeetna Matanuska-Susitna 1,020
42 99780 Tok Southeast Fairbanks 780
43 99674 Sutton Matanuska-Susitna 720
44 99588 Glennallen Copper River 700
45 99639 Ninilchik Kenai Peninsula 670
46 99743 Healy Denali 580
47 99714 Salcha Fairbanks North Star 480
48 99573 Copper Center Copper River 440
49 99760 Nenana Yukon-Koyukuk 340
50 99572 Cooper Landing Kenai Peninsula 230

Showing the top 50 of 55 ZIP codes in Alaska that have this figure . 99504 ranks 1st at 19,030, against 230 in 50th place.

Other rankings for Alaska

Cite this page

zipcodes.pro. “ZIP Codes With the Most Tax Returns Filed in Alaska.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/ak/most-tax-returns

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