| Zone |
Town Name |
Town Code |
| 77F |
NAPERVILLE |
NV |
| 77G |
NAPERVILLE |
NV |
| 77H |
NAPERVILLE |
NV |
| 77I |
NAPERVILLE |
NV |
| 78A |
WOODRIDGE |
WR |
| 78B |
WOODRIDGE |
WR |
| 79A |
BOLINGBROOK |
BK |
| 79B |
BOLINGBROOK |
BK |
| 79C |
BOLINGBROOK |
BK |
| 79D |
BOLINGBROOK |
BK |
| 80 |
STREAMWOOD |
ST |
| 735 |
BATAVIA |
BT |
| 736 |
GENEVA |
GA |
| 737 |
OSWEGO |
OS |
| 738 |
MONTGOMERY |
MY |
| 904 |
CHICAGO
IRVING PARK, LAKE MICHIGAN, NORTH, CICERO |
CHI |
| 905 |
CHICAGO
NORTH, RACINE, ROOSEVELT, AUSTIN |
CHI |
| 906 |
CHICAGO
NORTH, LAKE MACHIGAN, ROOSEVELT, RACINE |
CHI |
| 907 |
CHICAGO
ROOSEVELT, LAKE MACHIGAN, 47TH, KOSTNER |
CHI |
| 908 |
CHICAGO
47TH, LAKE MACHIGAN, 95TH, HARLEM |
CHI |
| 911 |
CHICAGO
95TH, STATE LINE, 130TH, PULASKI |
CHI |
| 912 |
CHICAGO
TOUHY, CICERO, NORTH, O'HARE |
CHI |
| 913 |
CHICAGO
HOWARD, LAKE MACHIGAN, NORTH, CICERO |
CHI |
| 929 |
HODGKINS |
HO |
| 930 |
BEDFORD PARK |
BP |
| 931 |
WILLOW SPRINGS |
WS |
| 932 |
BRIDGEVIEW |
BGV |
| 933 |
BURBANK |
BU |
| 934 |
OAK LAWN |
OL |
| 935 |
EVERGREEN PARK |
EK |
| 936 |
ALSIP |
ALS |
| 937 |
WORTH |
WOR |
| 938 |
CHICAGI RIDGE |
CR |
| 939 |
HICKORY HILLS |
HK |
| 940 |
PALOS HILLS |
PS |
| 941 |
PALOS PARK |
PP |
| 942 |
PALOS HEIGHTS |
PAH |
| 943 |
ORLAND PARK |
ORP |
| 944 |
ORLAND HILLS |
ORH |
| 945 |
TINLEY PARK |
TP |
| 946 |
LEMONT |
LE |
| 947 |
LOCKPORT |
LT |
| 948 |
PLAINFIELD |
PL |
| 949 |
OAK FOREST |
OF |
| 950 |
MATTESON |
MT |
| 950 |
RICHTON PARK |
RP |
| 951 |
FLOSSMOOR |
FM |
| 952 |
HOMEWOOD |
HM |
| 953 |
FRANKFORT |
FR |
| 954 |
MOKENA |
MOK |
| 955 |
NEW LENOX |
NEW |
| 961 |
AURORA |
AU |
| 962 |
AURORA |
AU |
| 963 |
AURORA |
AU |
