COLORADO COUNTY CODES
1932-58 1959-82
1 AA - CV Denver
2 GP - HD Pueblo
3 HY - JM Weld
4 JX - LL El Paso
5 LM - LN Las Animas
6 LU - MK Larimer
7 ML - NF Boulder
8 NG - NT Mesa
9 PA - PC Otero
10 PH - RP Arapahoe
11 RS - TD Jefferson
12 TE - UF Adams
13 UG - UJ Logan
14 UP - UT Fremont
15 UW - UY Morgan
16 VE Huerfano
17 VG - VH Prowers
18 VL - VN Delta
19 VS - VT Yuma
20 VV - VY La Plata
21 WB - WD Montrose
22 WG Baca
23 WJ - WK Rio Grande
24 WM - WR Garfield
25 WS Conejos
26 WU - WV Kit Carson
27 WW Washington
28 WZ - XA Routt
29 XC Bent
30 XE - XF Alamosa
31 XH - XJ Chaffee
32 XL - XM Montezuma
33 XP Lincoln
34 XS Elbert
35 XU Saguache
36 XW Crowley
37 XY Phillips
38 YA Costilla
39 YB Sedgwick
40 YD - YE Gunnison
41 YF - YG Lake
42 YJ - YK Moffat
43 YL Teller
44 YM - YN, ZT Eagle
45 YP Kiowa
46 YR Cheyenne
47 YS - YT Douglas
48 YU Archuleta
49 YV Rio Blanco
50 YX San Miguel
51 YY - YZ Clear Creek
52 ZA Custer
53 ZB - ZC Grand
54 ZD Park
55 ZE San Juan
56 ZF Ouray
57 ZG, ZP Pitkin
58 ZH Dolores
59 ZJ Jackson
60 ZK Gilpin
61 ZL, ZR Summit
62 ZM Mineral
63 ZN Hinsdale
For 1982-2000 county codes, see Misc. 3.
