 |
|
 |
IRS Combined Federal/State Program |
 |
Participating
States (As of 09-2023) |
 |
|
State |
Code |
State |
Code |
State |
Code |
|
Alabama |
01 |
Indiana |
18 |
Nebraska |
31 |
|
Arizona |
04 |
Kansas |
20 |
New Jersey |
34 |
|
Arkansas |
05 |
Louisiana |
22 |
New Mexico |
35 |
|
California |
06 |
Maine |
23 |
N. Carolina |
37 |
|
Colorado |
07 |
Maryland |
24 |
N. Dakota |
38 |
|
Connecticut |
08 |
Massachusetts |
25 |
Ohio |
39 |
|
Delaware |
10 |
Michigan |
26 |
Oklahoma |
40 |
|
District of Columbia |
42 |
Minnesota |
27 |
Pennsylvania |
11 |
|
Georgia |
13 |
Mississippi |
28 |
S. Carolina |
45 |
|
Hawaii |
15 |
Missouri |
29 |
Wisconsin |
55 |
|
Idaho |
16 |
Montana |
30 |
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