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/424

ZIP codes starting with 424

ZIP codes
32
States
KY
Largest city
Henderson, KY
Population
129,674

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 424xx

ZIP codes starting with 424
ZIP City Type Population Median income Median home
42402 Baskett , KY No street area — — —
42404 Clay , KY Standard 2,109 $61,293 $115,300
42406 Corydon , KY Standard 2,345 $62,470 $187,200
42408 Dawson Springs , KY Standard 5,888 $60,900 $92,200
42409 Dixon , KY Standard 2,293 $60,000 $155,000
42410 Earlington , KY Standard 1,084 $38,194 $64,000
42411 Fredonia , KY Standard 2,002 $61,063 $97,100
42413 Hanson , KY Standard 2,597 $95,417 $160,000
42419 Henderson , KY No street area — — —
42420 Henderson , KY Standard 38,133 $57,053 $170,300
42431 Madisonville , KY Standard 27,207 $54,905 $160,700
42436 Manitou , KY Standard 1,539 $70,694 $212,500
42437 Morganfield , KY Standard 7,064 $65,256 $109,800
42440 Mortons Gap , KY Standard 650 — $96,800
42441 Nebo , KY Standard 1,487 $54,219 $126,200
42442 Nortonville , KY Standard 2,991 $58,190 $124,500
42444 Poole , KY Standard 0 — —
42445 Princeton , KY Standard 10,533 $55,096 $118,100
42450 Providence , KY Standard 3,859 $54,710 $77,300
42451 Reed , KY Standard 600 $57,100 $190,500
42452 Robards , KY Standard 1,943 $80,069 $173,300
42453 Saint Charles , KY Standard 452 $53,939 $91,900
42455 Sebree , KY Standard 3,758 $68,324 $114,500
42456 Slaughters , KY Standard 1,533 $59,500 $155,600
42457 Smith Mills , KY No street area — — —
42458 Spottsville , KY Standard 979 $58,839 $183,600
42459 Sturgis , KY Standard 3,903 $51,563 $96,600
42460 Sullivan , KY No street area — — —
42461 Uniontown , KY Standard 1,285 $47,746 $104,000
42462 Waverly , KY Standard 1,546 $66,373 $137,300
42463 Wheatcroft , KY Standard 84 $36,250 $80,500
42464 White Plains , KY Standard 1,810 $45,893 $104,700

Cite this page

zipcodes.pro. “ZIP codes starting with 424.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/424

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