INDIANA LICENSE PLATE COUNTY PREFIXES

It is possible to tell the county that a vehicle is registered in by the first two digits of its license plate number. For example, a licence plate that was 69B000 would be registered in Ripley County (69 being the key here). The following are the prefixes for each county:

1. Adams 30. Hancock 59. Orange 88. Washington
2. Allen 31. Harrison 60. Owen 89. Wayne
3. Bartholomew 32. Hendricks 61. Parke 90. Wells
4. Benton 33. Henry 62. Perry 91. White
5. Blackford 34. Howard 63. Pike 92. Whitley
6. Boone 35. Huntington 64. Porter 93. Marion
7. Brown 36. Jackson 65. Posey 94. Lake
8. Carroll 37. Jasper 66. Pulaski 95. Marion
9. Cass 38. Jay 67. Putnam 96. Lake
10. Clark 39. Jefferson 68. Randolph 97. Marion
11. Clay 40. Jennings 69. Ripley 98. Marion
12. Clinton 41. Johnson 70. Rush 99. Marion
13. Crawford 42. Knox 71. St. Joseph
14. Daviess 43. Kosciusko 72. Scott
15. Dearborn 44. LaGrange 73. Shelby
16. Decatur 45. Lake 74. Spencer
17. Dekalb 46. LaPorte 75. Starke
18. Delaware 47. Lawrence 76. Steuben
19. Dubois 48. Madison 77. Sullivan
20. Elkhart 49. Marion 78. Switzerland
21. Fayette 50. Marshall 79. Tippecanoe
22. Floyd 51. Martin 80. Tipton
23. Fountain 52. Miami 81. Union
24. Franklin 53. Monroe 82. Vanderburgh
25. Fulton 54. Montgomery 83. Vermillon
26. Gibson 55. Morgan 84. Vigo
27. Grant 56. Newton 85. Wabash
28. Greene 57. Noble 86. Warren
29. Hamilton 58. Ohio 87. Warrick