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/660

ZIP codes starting with 660

ZIP codes
71
States
KS
Largest city
Olathe, KS
Population
530,783

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 660xx

ZIP codes starting with 660
ZIP City Type Population Median income Median home
66002 Atchison , KS Standard 13,276 $61,364 $149,100
66006 Baldwin City , KS Standard 8,013 $80,960 $345,800
66007 Basehor , KS Standard 10,150 $121,266 $381,200
66008 Bendena , KS Standard 200 $94,792 $217,600
66010 Blue Mound , KS Standard 626 $44,318 $157,800
66012 Bonner Springs , KS Standard 10,425 $97,873 $276,500
66013 Bucyrus , KS Standard 2,735 $164,320 $724,500
66014 Centerville , KS Standard 599 $105,431 —
66015 Colony , KS Standard 712 $69,375 $154,600
66016 Cummings , KS Standard 559 $76,141 $292,500
66017 Denton , KS Standard 219 $68,750 $133,700
66018 De Soto , KS Standard 6,584 $105,357 $422,500
66020 Easton , KS Standard 1,809 $78,594 $320,100
66021 Edgerton , KS Standard 2,819 $88,125 $242,300
66023 Effingham , KS Standard 1,189 $55,759 $110,400
66024 Elwood , KS Standard 815 $68,125 $67,800
66025 Eudora , KS Standard 8,083 $114,868 $311,100
66026 Fontana , KS Standard 840 $77,857 $201,100
66027 Fort Leavenworth , KS Standard 7,365 $102,208 —
66030 Gardner , KS Standard 26,328 $97,822 $313,100
66031 New Century , KS Standard 655 — —
66032 Garnett , KS Standard 4,971 $69,647 $175,600
66033 Greeley , KS Standard 672 $91,540 $203,700
66035 Highland , KS Standard 1,342 $97,895 $124,300
66036 Hillsdale , KS No street area — — —
66039 Kincaid , KS Standard 784 $60,329 $174,600
66040 Lacygne , KS Standard 3,651 $56,323 $174,300
66041 Lancaster , KS Standard 614 $56,912 $128,800
66042 Lane , KS Standard 929 $67,813 $185,900
66043 Lansing , KS Standard 11,056 $103,060 $271,200
66044 Lawrence , KS Standard 28,820 $55,955 $235,000
66045 Lawrence , KS Standard 1,925 $13,750 —
66046 Lawrence , KS Standard 19,658 $65,478 $233,700
66047 Lawrence , KS Standard 20,473 $65,392 $342,300
66048 Leavenworth , KS Standard 35,717 $72,734 $219,100
66049 Lawrence , KS Standard 32,015 $90,147 $393,400
66050 Lecompton , KS Standard 1,761 $91,979 $263,200
66051 Olathe , KS No street area — — —
66052 Linwood , KS Standard 2,090 $82,411 $340,200
66053 Louisburg , KS Standard 7,834 $89,096 $326,200
66054 Mc Louth , KS Standard 2,777 $98,214 $243,500
66056 Mound City , KS Standard 1,383 $57,813 $163,200
66058 Muscotah , KS Standard 378 $96,458 $127,300
66060 Nortonville , KS Standard 1,325 $77,222 $155,800
66061 Olathe , KS Standard 67,967 $110,176 $360,500
66062 Olathe , KS Standard 78,841 $117,585 $368,000
66063 Olathe , KS No street area — — —
66064 Osawatomie , KS Standard 5,992 $67,321 $172,100
66066 Oskaloosa , KS Standard 2,432 $79,990 $225,700
66067 Ottawa , KS Standard 16,330 $77,255 $182,800
66070 Ozawkie , KS Standard 1,944 $85,714 $219,500
66071 Paola , KS Standard 12,400 $84,142 $262,500
66072 Parker , KS Standard 1,211 $101,875 $296,800
66073 Perry , KS Standard 2,263 $86,641 $216,600
66075 Pleasanton , KS Standard 2,497 $62,407 $152,700
66076 Pomona , KS Standard 2,416 $73,945 $187,900
66078 Princeton , KS Standard 805 $80,000 $205,900
66079 Rantoul , KS Standard 752 $54,432 $164,000
66080 Richmond , KS Standard 980 $90,543 $173,000
66083 Spring Hill , KS Standard 13,011 $116,791 $370,700
66085 Stilwell , KS Standard 11,486 $152,500 $538,300
66086 Tonganoxie , KS Standard 10,940 $98,318 $325,900
66087 Troy , KS Standard 2,027 $56,875 $127,300
66088 Valley Falls , KS Standard 2,697 $75,795 $196,000
66090 Wathena , KS Standard 2,380 $87,025 $161,100
66091 Welda , KS Standard 294 $77,872 $116,800
66092 Wellsville , KS Standard 4,351 $87,524 $241,700
66093 Westphalia , KS Standard 576 $65,903 $115,700
66094 White Cloud , KS Standard 437 $72,000 $140,600
66095 Williamsburg , KS Standard 583 $71,023 $179,700
66097 Winchester , KS Standard 995 $66,369 $254,300

Cite this page

zipcodes.pro. “ZIP codes starting with 660.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/660

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