Uniform Commercial Code FAQs

County codes

Q1. What are the historical county codes?

A1. One of these codes may show up on an old image. This table will show you which county it relates to:

  • Adams - 12
  • Alamosa - 30
  • Arapahoe - 10
  • Archuleta - 8
  • Baca - 22
  • Bent - 29
  • Boulder - 07
  • Broomfield - 64
  • Chaffee - 31
  • Cheyenne - 46
  • Clear Creek - 51
  • Conejos - 25
  • Costilla - 38
  • Crowley - 36
  • Custer - 52
  • Delta - 18
  • Denver - 01
  • Dolores - 58
  • Douglas - 47
  • Eagle - 44
  • Elbert - 34
  • El Paso - 04
  • Fremont - 14
  • Garfield - 24
  • Gilpin - 60
  • Grand - 53
  • Gunnison - 40
  • Hinsdale - 63
  • Huerfano - 16
  • Jackson - 59
  • Jefferson - 11
  • Kiowa - 45
  • Kit Carson - 26
  • Lake - 41
  • La Plata - 20
  • Larimer - 06
  • Las Animas - 05
  • Lincoln - 33
  • Logan - 13
  • Mesa - 08
  • Mineral - 62
  • Moffat - 42
  • Montezuma - 32
  • Montrose - 21
  • Morgan - 15
  • Otero - 09
  • Ouray - 56
  • Park - 54
  • Phillips - 37
  • Pitkin - 57
  • Prowers - 17
  • Pueblo - 02
  • Rio Blanco - 49
  • Rio Grande - 23
  • Routt - 28
  • Saguache - 35
  • San Juan - 55
  • San Miguel - 50
  • Sedgwick - 39
  • Summit - 61
  • Teller - 43
  • Washington - 27
  • Weld - 03
  • Yuma - 19
  • Secretary of State - 99