First three digits · Illinois
ZIP Codes Starting with
57 ZIP codes start with 609, sorted at the Champaign, IL (SCF 618) sectional center (USPS labeling list L005, effective October 1, 2026) in Illinois: 56 residential ZIP codes across 6 counties and 1 PO Box or single-organization code (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 609 mean?
The first digit, 6, is one of ten national areas (Illinois, Kansas, Missouri and Nebraska). The first three, 609, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 609 to the Champaign, IL (SCF 618) facility. The last two digits pick the delivery area. By residents, the largest town names among the 609 ZIP codes are Kankakee, Bourbonnais, Manteno, Bradley, Watseka and Momence.
The same facility sorts 5 prefixes, 270 ZIP codes in all: 609, 617, 618, 619, 624.
Where are the 609 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 609
| County | ||||||
|---|---|---|---|---|---|---|
| 60901 | Kankakee | Kankakee County | 33,128 | 340 | $58k | $151k |
| 60910 | Aroma Park | Kankakee County | 582 | 242 | $77k | $148k |
| 60911 | Ashkum | Iroquois County | 1,325 | 21 | $90k | $159k |
| 60912 | Beaverville | Iroquois County | 475 | 13 | $59k | $82k |
| 60913 | Bonfield | Kankakee County | 1,683 | 37 | $88k | $279k |
| 60914 | Bourbonnais | Kankakee County | 28,673 | 586 | $86k | $255k |
| 60915 | Bradley | Kankakee County | 9,979 | 2,914 | $61k | $157k |
| 60917 | Buckingham | Kankakee County | 449 | 12 | $75k | $195k |
| 60918 | Buckley | Iroquois County | 754 | 15 | $74k | $122k |
| 60919 | Cabery | Ford County | 520 | 15 | $63k | $122k |
| 60920 | Campus | Livingston County | 172 | 96 | $111k | $152k |
| 60921 | Chatsworth | Livingston County | 1,458 | 20 | $78k | $108k |
| 60922 | Chebanse | Kankakee County | 2,088 | 38 | $62k | $174k |
| 60924 | Cissna Park | Iroquois County | 1,565 | 22 | $78k | $155k |
| 60926 | Claytonville | Iroquois County | 50 | 16 | $45k | $43k |
| 60927 | Clifton | Iroquois County | 2,300 | 31 | $102k | $214k |
| 60928 | Crescent City | Iroquois County | 493 | 48 | $55k | $117k |
| 60929 | Cullom | Livingston County | 587 | 15 | $72k | $109k |
| 60930 | Danforth | Iroquois County | 761 | 17 | $58k | $165k |
| 60931 | Donovan | Iroquois County | 510 | 11 | $54k | $105k |
| 60932 | East Lynn | Vermilion County | 373 | 1,141 | $244k | – |
| 60933 | Elliott | Ford County | 258 | 102 | $51k | $84k |
| 60934 | Emington | Livingston County | 243 | 8 | $82k | $162k |
| 60935 | Essex | Kankakee County | 1,259 | 68 | $110k | $249k |
| 60936 | Gibson City | Ford County | 4,246 | 44 | $51k | $157k |
| 60938 | Gilman | Iroquois County | 2,035 | 40 | $73k | $136k |
| 60939 | Goodwine | Iroquois County | no residents | 0 | – | – |
| 60940 | Grant Park | Kankakee County | 3,322 | 43 | $97k | $272k |
| 60941 | Herscher | Kankakee County | 1,627 | 32 | $85k | $206k |
| 60942 | Hoopeston | Vermilion County | 5,657 | 49 | $61k | $92k |
| 60944 | Hopkins Park | Kankakee County | PO Box or unique | – | – | – |
| 60945 | Iroquois | Iroquois County | 183 | 78 | $52k | $92k |
| 60946 | Kempton | Ford County | 413 | 9 | $75k | $69k |
| 60948 | Loda | Iroquois County | 1,660 | 34 | $106k | $230k |
| 60949 | Ludlow | Champaign County | 564 | 25 | $61k | $100k |
| 60950 | Manteno | Kankakee County | 11,964 | 156 | $89k | $259k |
| 60951 | Martinton | Iroquois County | 796 | 16 | $81k | $118k |
| 60952 | Melvin | Ford County | 683 | 16 | $67k | $88k |
| 60953 | Milford | Iroquois County | 2,075 | 14 | $59k | $107k |
| 60954 | Momence | Kankakee County | 5,742 | 87 | $66k | $164k |
| 60955 | Onarga | Iroquois County | 1,953 | 23 | $79k | $109k |
| 60956 | Papineau | Iroquois County | 132 | 632 | $51k | $72k |
| 60957 | Paxton | Ford County | 5,596 | 53 | $69k | $132k |
| 60958 | Pembroke Township | Kankakee County | 1,698 | 32 | $32k | $99k |
| 60959 | Piper City | Ford County | 904 | 16 | $55k | $95k |
| 60960 | Rankin | Vermilion County | 946 | 11 | $57k | $71k |
| 60961 | Reddick | Kankakee County | 740 | 19 | $78k | $159k |
| 60962 | Roberts | Ford County | 589 | 15 | $62k | $62k |
| 60963 | Rossville | Vermilion County | 1,460 | 19 | $66k | $98k |
| 60964 | Saint Anne | Kankakee County | 4,777 | 64 | $82k | $185k |
| 60966 | Sheldon | Iroquois County | 1,385 | 23 | $47k | $85k |
| 60967 | Stockland | Iroquois County | 51 | 19 | – | – |
| 60968 | Thawville | Iroquois County | 374 | 8 | $46k | $92k |
| 60969 | Union Hill | Kankakee County | 73 | 286 | $113k | $158k |
| 60970 | Watseka | Iroquois County | 5,991 | 47 | $47k | $120k |
| 60973 | Wellington | Iroquois County | 347 | 12 | $85k | $76k |
| 60974 | Woodland | Iroquois County | 297 | 245 | $52k | $86k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.