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/527

ZIP codes starting with 527

ZIP codes
47
States
IA
Largest city
Bettendorf, IA
Population
174,779

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 527xx

ZIP codes starting with 527
ZIP City Type Population Median income Median home
52701 Andover , IA Standard 124 — $118,800
52720 Atalissa , IA Standard 964 $73,571 $275,800
52721 Bennett , IA Standard 809 $82,143 $200,600
52722 Bettendorf , IA Standard 41,264 $101,546 $311,500
52726 Blue Grass , IA Standard 5,160 $104,250 $276,100
52727 Bryant , IA Standard 398 $103,188 $258,300
52728 Buffalo , IA Standard 984 $69,239 $120,900
52729 Calamus , IA Standard 886 $87,500 $178,800
52730 Camanche , IA Standard 4,776 $64,543 $177,200
52731 Charlotte , IA Standard 867 $87,727 $155,900
52732 Clinton , IA Standard 25,880 $61,105 $122,100
52733 Clinton , IA No street area — — —
52734 Clinton , IA No street area — — —
52736 Clinton , IA No street area — — —
52737 Columbus City , IA Standard 323 $89,875 $111,600
52738 Columbus Junction , IA Standard 3,398 $80,385 $145,700
52739 Conesville , IA Standard 788 $74,375 $97,500
52742 De Witt , IA Standard 7,284 $97,946 $261,000
52745 Dixon , IA Standard 443 $68,750 $220,500
52746 Donahue , IA Standard 1,240 $107,813 $336,900
52747 Durant , IA Standard 2,160 $82,313 $198,300
52748 Eldridge , IA Standard 9,594 $107,869 $326,600
52749 Fruitland , IA Standard 1,049 $103,424 $217,700
52750 Goose Lake , IA Standard 654 $93,155 $167,300
52751 Grand Mound , IA Standard 976 $82,143 $172,700
52752 Grandview , IA Standard 413 $49,545 $144,300
52753 Le Claire , IA Standard 6,020 $103,813 $328,700
52754 Letts , IA Standard 1,533 $104,250 $194,300
52755 Lone Tree , IA Standard 2,092 $102,434 $242,700
52756 Long Grove , IA Standard 1,982 $116,250 $358,000
52757 Low Moor , IA Standard 242 $62,500 $118,300
52758 Mc Causland , IA Standard 298 $63,333 $203,800
52759 Montpelier , IA Standard 167 $70,568 $256,800
52760 Moscow , IA Standard 992 $86,397 $143,300
52761 Muscatine , IA Standard 29,474 $62,098 $170,600
52765 New Liberty , IA Standard 427 $107,321 $220,800
52766 Nichols , IA Standard 677 $61,865 $127,900
52767 Pleasant Valley , IA Standard 386 — $391,800
52768 Princeton , IA Standard 1,352 $112,563 $291,100
52769 Stockton , IA Standard 698 $88,750 $332,500
52771 Teeds Grove , IA Standard 56 — —
52772 Tipton , IA Standard 5,348 $81,267 $225,700
52773 Walcott , IA Standard 2,389 $85,523 $214,400
52774 Welton , IA Standard 101 $71,250 $118,800
52776 West Liberty , IA Standard 5,090 $79,665 $204,000
52777 Wheatland , IA Standard 1,389 $60,250 $158,900
52778 Wilton , IA Standard 3,632 $82,623 $202,200

Cite this page

zipcodes.pro. “ZIP codes starting with 527.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/527

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