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 — PREFIX/526

ZIP codes starting with 526

ZIP codes
36
States
IA
Largest city
Burlington, IA
Population
100,389

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 526xx

ZIP codes starting with 526
ZIP City Type Population Median income Median home
52601 Burlington , IA Standard 27,341 $60,983 $124,200
52619 Argyle , IA Standard 441 $73,438 $99,200
52620 Bonaparte , IA Standard 1,097 $79,327 $227,500
52621 Crawfordsville , IA Standard 604 $87,188 $98,200
52623 Danville , IA Standard 1,982 $90,714 $194,000
52624 Denmark , IA Standard 734 $109,861 $190,600
52625 Donnellson , IA Standard 2,338 $80,078 $205,300
52626 Farmington , IA Standard 1,103 $59,342 $105,600
52627 Fort Madison , IA Standard 12,677 $56,401 $116,500
52630 Hillsboro , IA Standard 235 $55,714 $69,400
52631 Houghton , IA Standard 65 $107,083 $255,600
52632 Keokuk , IA Standard 11,711 $56,653 $118,700
52635 Lockridge , IA Standard 890 $76,250 $175,000
52637 Mediapolis , IA Standard 3,041 $81,477 $194,500
52638 Middletown , IA Standard 508 $59,167 $155,500
52639 Montrose , IA Standard 1,745 $68,625 $163,800
52640 Morning Sun , IA Standard 1,274 $67,813 $125,800
52641 Mount Pleasant , IA Standard 12,428 $64,512 $171,400
52642 Rome , IA No street area — — —
52644 Mount Union , IA Standard 394 $77,955 $159,100
52645 New London , IA Standard 3,503 $79,327 $159,700
52646 Oakville , IA Standard 255 $62,500 $118,100
52647 Olds , IA Standard 72 $49,375 $116,700
52648 Pilot Grove , IA No street area — — —
52649 Salem , IA Standard 913 $91,071 $245,300
52650 Sperry , IA Standard 799 $105,255 $247,500
52651 Stockport , IA Standard 398 $36,739 $67,400
52652 Swedesburg , IA Standard 119 $74,861 —
52653 Wapello , IA Standard 3,083 $83,525 $161,000
52654 Wayland , IA Standard 1,884 $84,783 $149,700
52655 West Burlington , IA Standard 4,322 $52,500 $132,600
52656 West Point , IA Standard 1,833 $83,750 $189,900
52657 Saint Paul , IA Standard 65 $72,500 $140,600
52658 Wever , IA Standard 927 $107,679 $253,400
52659 Winfield , IA Standard 1,329 $55,125 $110,900
52660 Yarmouth , IA Standard 279 — $213,200

Cite this page

zipcodes.pro. “ZIP codes starting with 526.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/526

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