First three digits · Kansas
ZIP Codes Starting with
34 ZIP codes start with 669, sorted at the Wichita, KS (SCF 670) sectional center (USPS labeling list L005, effective October 1, 2026) in Kansas: 34 residential ZIP codes across 5 counties (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 669 mean?
The first digit, 6, is one of ten national areas (Illinois, Kansas, Missouri and Nebraska). The first three, 669, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 669 to the Wichita, KS (SCF 670) facility. The last two digits pick the delivery area. By residents, the largest town names among the 669 ZIP codes are Concordia, Belleville, Smith Center, Washington, Mankato and Clyde.
The same facility sorts 9 prefixes, 391 ZIP codes in all: 669, 670, 671, 672, 673, 674, 675, 676, 678.
Where are the 669 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 669
| County | ||||||
|---|---|---|---|---|---|---|
| 66901 | Concordia | Cloud County | 6,055 | 24 | $60k | $114k |
| 66930 | Agenda | Republic County | 131 | 2 | $43k | $58k |
| 66932 | Athol | Smith County | 162 | 2 | – | $97k |
| 66933 | Barnes | Washington County | 345 | 4 | $56k | $86k |
| 66935 | Belleville | Republic County | 2,413 | 20 | $56k | $87k |
| 66936 | Burr Oak | Jewell County | 194 | 1 | – | – |
| 66937 | Clifton | Washington County | 691 | 5 | $64k | $100k |
| 66938 | Clyde | Cloud County | 1,191 | 10 | $55k | $80k |
| 66939 | Courtland | Republic County | 335 | 3 | $69k | $147k |
| 66940 | Cuba | Republic County | 283 | 4 | $44k | $48k |
| 66941 | Esbon | Jewell County | 130 | 1 | $70k | $126k |
| 66942 | Formoso | Jewell County | 305 | 3 | $98k | – |
| 66943 | Greenleaf | Washington County | 568 | 6 | $68k | $117k |
| 66944 | Haddam | Washington County | 304 | 3 | $76k | – |
| 66945 | Hanover | Washington County | 1,063 | 11 | $70k | $118k |
| 66946 | Hollenberg | Washington County | 161 | 3 | $54k | $122k |
| 66948 | Jamestown | Cloud County | 566 | 5 | $85k | $101k |
| 66949 | Jewell | Jewell County | 524 | 5 | $46k | $71k |
| 66951 | Kensington | Smith County | 920 | 5 | $67k | $97k |
| 66952 | Lebanon | Smith County | 401 | 2 | $52k | $69k |
| 66953 | Linn | Washington County | 628 | 9 | $66k | $109k |
| 66955 | Mahaska | Washington County | 47 | 1 | $86k | – |
| 66956 | Mankato | Jewell County | 1,351 | 7 | $57k | $59k |
| 66958 | Morrowville | Washington County | 198 | 3 | $78k | $75k |
| 66959 | Munden | Republic County | 339 | 6 | $55k | – |
| 66960 | Narka | Republic County | 125 | 2 | $50k | $31k |
| 66961 | Norway | Republic County | 6 | 4 | – | – |
| 66962 | Palmer | Washington County | 302 | 6 | $75k | $304k |
| 66963 | Randall | Jewell County | 208 | 3 | $45k | – |
| 66964 | Republic | Republic County | 175 | 3 | $74k | $22k |
| 66966 | Scandia | Republic County | 577 | 6 | $51k | $101k |
| 66967 | Smith Center | Smith County | 1,913 | 8 | $57k | $100k |
| 66968 | Washington | Washington County | 1,454 | 11 | $59k | $125k |
| 66970 | Webber | Jewell County | 39 | 1 | $29k | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.