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/669

ZIP codes starting with 669

ZIP codes
34
States
KS
Largest city
Concordia, KS
Population
24,104

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 669xx

ZIP codes starting with 669
ZIP City Type Population Median income Median home
66901 Concordia , KS Standard 6,055 $60,063 $114,300
66930 Agenda , KS Standard 131 $43,000 $57,500
66932 Athol , KS Standard 162 — $97,000
66933 Barnes , KS Standard 345 $55,625 $85,600
66935 Belleville , KS Standard 2,413 $56,014 $87,100
66936 Burr Oak , KS Standard 194 — —
66937 Clifton , KS Standard 691 $63,456 $100,000
66938 Clyde , KS Standard 1,191 $55,284 $80,000
66939 Courtland , KS Standard 335 $69,167 $146,900
66940 Cuba , KS Standard 283 $44,432 $48,200
66941 Esbon , KS Standard 130 $70,156 $125,600
66942 Formoso , KS Standard 305 $97,955 —
66943 Greenleaf , KS Standard 568 $67,738 $117,300
66944 Haddam , KS Standard 304 $75,625 —
66945 Hanover , KS Standard 1,063 $69,688 $118,000
66946 Hollenberg , KS Standard 161 $53,542 $121,700
66948 Jamestown , KS Standard 566 $84,531 $101,300
66949 Jewell , KS Standard 524 $46,250 $71,300
66951 Kensington , KS Standard 920 $66,875 $96,900
66952 Lebanon , KS Standard 401 $52,188 $68,900
66953 Linn , KS Standard 628 $66,250 $109,200
66955 Mahaska , KS Standard 47 $85,500 —
66956 Mankato , KS Standard 1,351 $57,232 $59,100
66958 Morrowville , KS Standard 198 $77,750 $75,000
66959 Munden , KS Standard 339 $54,750 —
66960 Narka , KS Standard 125 $50,208 $31,300
66961 Norway , KS Standard 6 — —
66962 Palmer , KS Standard 302 $74,583 $303,700
66963 Randall , KS Standard 208 $45,096 —
66964 Republic , KS Standard 175 $73,500 $21,700
66966 Scandia , KS Standard 577 $51,125 $101,300
66967 Smith Center , KS Standard 1,913 $56,726 $100,400
66968 Washington , KS Standard 1,454 $59,438 $124,900
66970 Webber , KS Standard 39 $29,205 —

Cite this page

zipcodes.pro. “ZIP codes starting with 669.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/669

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