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/664

ZIP codes starting with 664

ZIP codes
37
States
KS
Largest city
Junction City, KS
Population
85,882

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 664xx

ZIP codes starting with 664
ZIP City Type Population Median income Median home
66401 Alma , KS Standard 1,948 $73,516 $220,900
66402 Auburn , KS Standard 3,100 $88,427 $260,900
66403 Axtell , KS Standard 801 $71,875 $252,300
66404 Baileyville , KS Standard 481 $89,620 $179,700
66406 Beattie , KS Standard 365 $67,955 —
66407 Belvue , KS Standard 298 $67,750 $226,600
66408 Bern , KS Standard 427 $91,250 $153,000
66409 Berryton , KS Standard 3,133 $104,604 $318,300
66411 Blue Rapids , KS Standard 1,127 $57,361 $85,900
66412 Bremen , KS Standard 644 $86,638 $179,200
66413 Burlingame , KS Standard 1,721 $65,179 $124,000
66414 Carbondale , KS Standard 2,360 $74,063 $162,300
66415 Centralia , KS Standard 762 $70,066 $86,400
66416 Circleville , KS Standard 522 $74,375 $156,700
66417 Corning , KS Standard 507 $86,875 —
66418 Delia , KS Standard 556 $77,885 $167,900
66419 Denison , KS Standard 600 $100,152 $116,100
66420 Dover , KS No street area — — —
66422 Emmett , KS Standard 1,228 $73,257 —
66423 Eskridge , KS Standard 884 $60,938 $96,300
66424 Everest , KS Standard 486 $58,553 $131,300
66425 Fairview , KS Standard 391 $61,094 $108,300
66426 Fostoria , KS No street area — — —
66427 Frankfort , KS Standard 1,334 $79,481 $133,600
66428 Goff , KS Standard 246 $100,500 $107,100
66429 Grantville , KS Standard 379 $68,780 $175,000
66431 Harveyville , KS Standard 718 $93,095 $166,500
66432 Havensville , KS Standard 540 $108,818 $263,200
66434 Hiawatha , KS Standard 4,740 $76,613 $143,400
66436 Holton , KS Standard 5,537 $71,016 $213,300
66438 Home , KS Standard 200 $76,250 $357,700
66439 Horton , KS Standard 2,578 $53,348 $90,800
66440 Hoyt , KS Standard 1,943 $97,109 $234,700
66441 Junction City , KS Standard 25,828 $59,522 $169,800
66442 Fort Riley , KS Standard 16,890 $51,610 —
66449 Leonardville , KS Standard 937 $90,089 $210,200
66451 Lyndon , KS Standard 1,671 $76,908 $158,500

Cite this page

zipcodes.pro. “ZIP codes starting with 664.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/664

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