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/605

ZIP codes starting with 605

ZIP codes
65
States
IL
Largest city
Aurora, IL
Population
1,040,990

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 605xx

ZIP codes starting with 605
ZIP City Type Population Median income Median home
60501 Summit Argo , IL Standard 11,432 $63,244 $234,300
60502 Aurora , IL Standard 23,308 $156,904 $412,300
60503 Aurora , IL Standard 16,789 $136,726 $324,500
60504 Aurora , IL Standard 39,358 $98,008 $286,500
60505 Aurora , IL Standard 57,199 $73,284 $205,100
60506 Aurora , IL Standard 50,038 $79,517 $253,700
60507 Aurora , IL No street area — — —
60510 Batavia , IL Standard 29,038 $121,622 $392,200
60511 Big Rock , IL Standard 2,081 $158,625 $337,800
60512 Bristol , IL Standard 1,090 $96,895 $352,200
60513 Brookfield , IL Standard 19,343 $110,338 $332,400
60514 Clarendon Hills , IL Standard 9,918 $118,716 $566,300
60515 Downers Grove , IL Standard 29,762 $123,197 $461,200
60516 Downers Grove , IL Standard 28,062 $115,480 $441,100
60517 Woodridge , IL Standard 33,156 $99,024 $361,700
60518 Earlville , IL Standard 3,289 $69,980 $165,500
60519 Eola , IL Standard 61 $136,250 —
60520 Hinckley , IL Standard 2,979 $98,958 $320,500
60521 Hinsdale , IL Standard 18,056 $249,200 $1,032,800
60522 Hinsdale , IL No street area — — —
60523 Oak Brook , IL Standard 10,144 $118,194 $782,100
60525 La Grange , IL Standard 31,324 $116,918 $438,000
60526 La Grange Park , IL Standard 13,459 $120,308 $439,800
60527 Willowbrook , IL Standard 29,028 $106,543 $501,700
60530 Lee , IL Standard 992 $96,250 $264,500
60531 Leland , IL Standard 1,885 $79,808 $229,200
60532 Lisle , IL Standard 28,547 $102,085 $386,300
60534 Lyons , IL Standard 10,327 $70,890 $257,300
60536 Millbrook , IL Standard 62 $115,625 $183,300
60537 Millington , IL Standard 726 $81,825 $230,200
60538 Montgomery , IL Standard 30,514 $97,131 $267,300
60539 Mooseheart , IL Standard 313 — —
60540 Naperville , IL Standard 42,252 $157,102 $550,600
60541 Newark , IL Standard 3,342 $118,100 $314,300
60542 North Aurora , IL Standard 18,932 $114,831 $342,400
60543 Oswego , IL Standard 43,047 $119,371 $343,800
60544 Plainfield , IL Standard 27,306 $108,304 $336,300
60545 Plano , IL Standard 14,392 $86,756 $241,500
60546 Riverside , IL Standard 16,322 $113,533 $394,500
60548 Sandwich , IL Standard 11,721 $82,957 $262,100
60549 Serena , IL Standard 784 $108,417 $305,500
60550 Shabbona , IL Standard 941 $81,574 $223,000
60551 Sheridan , IL Standard 5,058 $86,786 $301,600
60552 Somonauk , IL Standard 4,285 $113,411 $257,400
60553 Steward , IL Standard 722 $109,375 $176,900
60554 Sugar Grove , IL Standard 12,081 $122,734 $386,400
60555 Warrenville , IL Standard 15,223 $101,859 $287,600
60556 Waterman , IL Standard 2,138 $100,186 $234,800
60557 Wedron , IL Standard 0 — —
60558 Western Springs , IL Standard 13,446 $230,255 $739,400
60559 Westmont , IL Standard 24,231 $90,963 $365,300
60560 Yorkville , IL Standard 28,795 $110,326 $346,300
60561 Darien , IL Standard 23,069 $112,549 $404,300
60563 Naperville , IL Standard 39,330 $109,783 $435,600
60564 Naperville , IL Standard 47,016 $181,382 $572,100
60565 Naperville , IL Standard 40,483 $164,447 $519,900
60566 Naperville , IL No street area — — —
60567 Naperville , IL No street area — — —
60568 Aurora , IL No street area — — —
60569 Aurora , IL No street area — — —
60572 Aurora , IL No street area — — —
60585 Plainfield , IL Standard 25,960 $155,511 $453,200
60586 Plainfield , IL Standard 47,834 $131,637 $328,400
60598 Aurora , IL No street area — — —
60599 Fox Valley , IL No street area — — —

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zipcodes.pro. “ZIP codes starting with 605.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/605

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