Working Group
for
Operational Standards




Michigan County 3-Letter Abbreviations
Number County Abbreviation (per MSU.edu) Abbreviation (per MI State LEIN)
1 Alcona ALC
2 Alger ALG
3 Allegan ALL
4 Alpena ALP
5 Antrim ANT
6 Arenac ARE
7 Baraga ??? ???
8 Barry BAR ???
9 Bay BAY
10 Benzie BEN
11 Berrien BER
12 Branch BRA
13 Calhoun CAL
14 Cass CAS
15 Charlexoix CHA
16 Cheboygan CHE
17 Chippewa CHI
18 Clare CLA
19 Clinton CLI
20 Crawford CRA
21 Delta DEL
22 Dickinson DIC
23 Eaton EAT
24 Emmet EMM
25 Genesee GEN
26 Gladwin GLA
27 Gogebic GOG
28 Grand Traverse GRN ???
29 Gratiot GRA ???
30 Hillsdale HIL
31 Houghton HOU
32 Huron HUR
33 Ingham ING
34 Ionia ION
35 Iosco IOS
36 Iron IRO
37 Isabella ISA
38 Jackson JAC
39 Kalamazoo KAL ???
40 Kalkaska KLK ???
41 Kent KEN
42 Keweenaw KEW
43 Lake LAK
44 Lapeer LAP
45 Leelenau LEE
46 Lenawee LEN
47 Livingston LIV
48 Luce LUC
49 Mackinac MKC ???
50 Macomb MAC ???
51 Manistee MAN
52 Marquette MAR
53 Mason MAS
54 Mecosta MEC
55 Menominee MEN
56 Midland MID
57 Missaukee MIS
58 Monroe MNR ???
59 Montcalm MON ???
60 Montmorency MNT ???
61 Muskegon MUS
62 Newaygo NEW
63 Oakland OAK
64 Oceana OCE
65 Ogemaw OGE
66 Ontonagon ONT
67 Osceola OSC ???
68 Oscoda OSD ???
69 Otsego OTS
70 Ottawa OTT
71 Presque Isle PRE
72 Roscommon ROS
73 Saginaw SAG
74 Saint Clair STC ???
75 Saint Joseph STJ ???
76 Sanilac SAN
77 Schoolcraft SCH
78 Shiawassee SHI
79 Tuscola TUS
80 Van Buren VAN
81 Washtenaw WAS
82 Wayne WAY
83 Wexford WEX