Interstate Case Reconciliation Case ID Matrix

State Case ID Formats and Examples

Publication Date: April 28, 2023
Current as of:

This document provides the official case ID format(s) used by each state for all interstate communication, including Interstate Case Reconciliation (ICR), Electronic Document Exchange (EDE), Child Support Enforcement Network (CSENet), Query Interstate Cases for Kids (QUICK), and the Federal Case Registry (FCR).

Case workers and programmers are encouraged to use this matrix to check that the case IDs they have in their system match the official formats states have confirmed for use.

ICR Case ID Matrix
State Code/ Abbreviation FCR/ICR Case ID Description FCR/ICR Case ID Example
01/AL 15 characters, includes integral leading zeroes 000000000608100
000000436983771
02/AK Nine characters, includes integral leading zeroes 004563456
04/AZ 12 characters, includes integral leading zeroes 000000012300
000000000200
000826683400
05/AR Nine characters, may include integral leading zeroes 004564567
800333760
06/CA Three possible formats:
  • 15 characters, all numbers, no leading zeroes
  • 13-14 characters, includes integral leading zero, may include one alpha
  • 13 characters, includes integral leading zeroes and a dash
  
  • 200000000000001
  • 0370620502435A
  • 0750000001-01
08/CO 12 characters, first 11 are numbers, 12th is alpha 80002324442A
01006171456A
01015819905B
09/CT Six numbers, then dash, then one or two numbers 871916-1
000006-1
10/DE Six characters, no leading zeroes 298797
11/DC Six numbers, then dash, then one or two numbers 374413-1
12/FL 10 characters, may include integral leading zeroes 0123456778
0000000019
1195644264
13/GA Nine characters, may include leading zeroes 376666328
000000151
66/GU 10 characters with leading zeroes 0000010123
0000000001
15/HI Seven - nine characters, no leading zeroes 5821813
16/ID Six characters, may include integral leading zeroes 205005
000001
17/IL Nine characters, 'C' followed by eight numbers C01509837
C00000009
18/IN 10 characters, all numbers, beginning with '9' or with integral leading zeroes 0001234567
9000000154
19/IA Seven characters, includes integral leading zeroes 0003471
0000010
20/KS Two possible formats:
  • 10 characters, all numbers, includes integral leading zeroes
  • 15 characters, first three characters are always 'KPC',  followed by 12 numbers
  
  • 0000244344 or 0000000014
  • KPC123456789012
21/KY 10 characters, includes integral leading zeroes 0001688842
0000001029
22/LA 11 characters, includes integral leading zeroes 00171251801
00000001501
23/ME Nine characters: eight numbers, one alpha, may include leading zeroes 20333582P
00044580P
24/MD Nine characters, all numbers, may include integral leading zeroes 910062684
000000069
25/MA 10 characters, includes integral leading zeroes 0003746947
26/MI Nine characters, all numbers, may include integral leading zeroes 296747947
000024365
27/MN 12 characters, includes integral leading zeroes 001458610001
000000325801
28/MS 10 characters: nine numbers, 10th alpha 600014153A
29/MO Eight characters, all numbers, some with leading zeroes 51012613
00050302
30/MT 15 characters, includes integral leading zeroes. MT consistently uses this field with appended AP/CP suffixes for all interstate communications. 0145777AP01CP01
31/NE 13 characters, always beginning with 'CA', no leading zeroes CA2CH4QYLE85X
CA2T62MRLSMNP
32/NV 10 digits beginning with '32' 3200333045
33/NH Nine characters: eight alphanumeric + 'C', some with leading zeroes KSL86837C
ABA5584WC
00085915C
34/NJ 11 characters: 'CS' + eight numeric + one alpha, no leading zeroes CS71047867A
35/NM Up to nine characters, no leading zeroes 8
12
10369
7138251
36/NY Nine characters: alpha-alpha-numeric-numeric-numeric-numeric-numeric-alpha-numeric, no leading zeroes BJ79705H2
37/NC 10 characters, includes integral leading zeroes 0023456789
38/ND Maximum of eight characters, no leading zeroes 11501
48030601
39/OH 10 characters, all begin with 70, no leading zeroes 7044027808
40/OK 12 characters, includes integral leading zeroes 000468375001
000000001001
41/OR Two possible formats:
  • 15 numbers, first two numbers are always 41, followed by 13 system-generated numbers.
  • 12 characters, first character is always zero, last two characters are always 41. Characters in between can be all numbers or a mixture of numbers and alpha characters.
  
  • 410000123456789
  • 001009210741
42/PA Nine characters, may include leading zeroes 324166675
000004351
72/PR 15 characters with integral leading zeroes 000000000133563
44/RI 10 characters, may include leading zeroes 0394823884
0013085731
45/SC Two possible formats:
  • Seven characters, includes integral leading zeroes
  • Seven characters, the first number is always '3',  followed by six numbers
  
  • 0471695
  • 3000057
46/SD 10 characters, no leading zeroes 265108013A
47/TN Nine characters, includes integral leading zeroes 001013935
48/TX 10 characters, some with leading zeroes, some of the older case numbers have alpha characters 99999892N1
UR00000081
9890034561
N966000313
49/UT 10 characters: 'C' followed by nine numbers, no leading zeroes C000636011
50/VT 10 characters 0097250172
1144288961
51/VA 10 characters, includes integral leading zeroes 0003224507
78/VI Seven characters, no leading zeroes 1004572
53/WA 10 characters, includes integral leading zeroes 0001754773
54/WV Up to nine characters, no leading zeroes 6009
295734712
55/WI 10 characters, includes integral leading zeroes 0003690209
56/WY Maximum nine characters 28
130
65212
140652

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