West-Central Illinois
Zone 1
Zip Codes61401, 61410, 61415, 61417, 61422, 61423, 61435, 61436, 61438, 61455, 61458, 61462, 61470, 61473, 61474, 6154
Zone 2
Zip Codes61412, 61413, 61414, 61428, 61430, 61434, 61439, 61443, 61448, 61451, 61465, 61466, 61467, 61472, 61485, 61486, 61488, 61489, 61490
Peoria
Zone 1
Zip Codes61529, 61530, 61531, 61535, 61548, 61550, 61554, 61568, 61571, 61572, 61602, 61604, 61606, 61610, 61611
Zone 2
Zip Codes61517, 61523, 61525, 61528, 61559, 61603, 61614, 61615, 61616
Quad Cities
Zone 1
Zip Codes
52722, 52753, 52767, 52801, 52802, 52803, 52804, 52806, 52807
Zone 2
Zip Codes61201, 61231, 61240, 61244, 61256, 61260, 61262, 61264, 61265, 61273, 61281, 61282
Springfield
Zone 1
Zip Codes62701, 62702, 62703, 62704, 62711, 62712
Madison
Zone 1
Zip Codes53507, 53515, 53517, 53528, 53572
Zone 2
Zip Codes53508, 53593, 53719
Zone 3
Zip Codes53562, 53717
Zone 4
Zip Codes53705, 53706, 53726
Zone 5
Zip Codes53532, 53590, 53596, 53597, 53598
Zone 6
Zip Codes53521, 53523, 53527, 53536
Zone 7
Zip Codes53558, 53575, 53589
Zone 8
Zip Codes53703, 53715
Zone 9
Zip Codes53714, 53718
Zone 10
Zip Codes53713, 53716
Zone 11
Zip Codes53711
Zone 12
Zip Codes53704
Milwaukee
Zone 1
Zip Codes53007, 53012, 53022, 53024, 53037, 53092, 53095, 53097, 53209, 53217, 53218, 53223, 53224, 53225
Zone 2
Zip Codes53129, 53132, 53140, 53142, 53143, 53144, 53154, 53158, 53172, 53177, 53221, 53402, 53403, 53404, 53405, 53406
Zone 3
Zip Codes53005, 53017, 53018, 53029, 53045, 53046, 53051, 53058, 53066, 53072, 53089, 53122, 53146, 53151, 53183, 53186, 53188, 53189, 53226
Zone 4
Zip Codes53110, 53202, 53203, 53204, 53205, 53206, 53207, 53208, 53210, 53211, 53212, 53213, 53214, 53215, 53216, 53219, 53220, 53222, 53227, 53228, 53233, 53235
Chicago
Zone 1
Zip Codes60423, 60433, 60443, 60448, 60451, 60471, 60478
Zone 2
Zip Codes60403, 60415, 60432, 60435, 60439, 60441, 60445, 60446, 60455, 60457, 60458, 60459, 60462, 60463, 60464, 60465, 60467, 60477, 60480, 60487, 60491, 60517, 60527, 60638
Zone 3
Zip Codes60104, 60130, 60131, 60141, 60153, 60154, 60155, 60160, 60162, 60163, 60164, 60165, 60171, 60176, 60301, 60302, 60304, 60305, 60402, 60513, 60526, 60534, 60546, 60619, 60621, 60631, 60634, 60639, 60641, 60656, 60706, 60707, 60805
Zone 4
Zip Codes60010, 60012, 60013, 60014, 60021, 60042, 60047, 60050, 60060, 60067, 60074, 60084, 60098, 60102, 60110, 60118, 60136, 60142, 60156, 60192, 60195
Zone 5
Zip Codes60007, 60101, 60103, 60106, 60107, 60108, 60120, 60123, 60124, 60133, 60139, 60143, 60157, 60169, 60172, 60173, 60174, 60175, 60177, 60184, 60188, 60191, 60193, 60194
Zone 6
Zip CodesZip Codes: 60126, 60137, 60148, 60181, 60185, 60187, 60189, 60190, 60555
Zone 7
Zip Codes60440, 60490, 60501, 60502, 60503, 60504, 60505, 60506, 60512, 60514, 60516, 60521, 60525, 60532, 60538, 60540, 60543, 60544, 60554, 60558, 60559, 60561, 60563, 60564, 60565, 60585, 60586
Zone 8
Zip Codes60613, 60625, 60640, 60660
Zone 9
Zip Codes60004, 60005, 60008, 60015, 60016, 60022, 60025, 60026, 60029, 60030, 60031, 60035, 60040, 60043, 60044, 60045, 60088
Zone 10
Zip Codes60018, 60048, 60053, 60056, 60061, 60062, 60064, 60068, 60069, 60070, 60076, 60077, 60085, 60089, 60090, 60091, 60093, 60630, 60646, 60659, 60712, 60714
Zone 11
Zip Codes60201, 60202, 60203, 60208, 60626, 60645
Zone 12
Zip Codes60606, 60607, 60608, 60647, 60661
Zone 13
Zip Codes60453, 60456, 60482, 60605, 60609, 60615, 60616, 60617, 60620, 60628, 60629, 60632, 60636, 60637, 60643, 60649, 60652, 60653, 60655, 60803
Zone 14
Zip Codes60601, 60602, 60603, 60604, 60614, 60618, 60657
Zone 15
Zip Codes60119, 60134, 60510, 60515, 60523, 60539, 60542, 60610, 60611
Zone 16
Zip Codes60612, 60622, 60623, 60624, 60642, 60644, 60651, 60654, 60804