Colorado area codes and area names
Local time
Colorado
Colorado
Population
Colorado
4 678 630
Colorado
4 678 630
Emergency phone number
Colorado
911
Colorado
911
Colorado - United States
The state Colorado is located in United States (country code +1). There is 156 phone areas in the state of Colorado. If you are calling someone located in Colorado from abroad, you must either write a plus sign (+) or two zeros (00) followed by the country code (+1 or 001) and then the Area code (found below) and then the phone number.
Local time in Colorado is 12:23.
Area codes and names
Colorado Counties sorted by Population
Colorado consists of 64 counties with a total population of 4 678 630 citizens. The population data are from 2021.
Rank | County | Timezone | Total Population |
---|---|---|---|
1 | El Paso County | America/Denver | 622 263 |
2 | Denver County | America/Denver | 600 158 |
3 | Arapahoe County | America/Denver | 572 003 |
4 | Jefferson County | America/Denver | 534 543 |
5 | Adams County | America/Denver | 441 603 |
6 | Larimer County | America/Denver | 299 630 |
7 | Boulder County | America/Denver | 294 567 |
8 | Douglas County | America/Denver | 285 465 |
9 | Weld County | America/Denver | 252 825 |
10 | Pueblo County | America/Denver | 159 063 |
11 | Mesa County | America/Denver | 146 723 |
12 | Garfield County | America/Denver | 56 389 |
13 | Broomfield County | America/Denver | 55 889 |
14 | Eagle County | America/Denver | 52 197 |
15 | La Plata County | America/Denver | 51 334 |
16 | Fremont County | America/Denver | 46 824 |
17 | Montrose County | America/Denver | 41 276 |
18 | Delta County | America/Denver | 30 952 |
19 | Morgan County | America/Denver | 28 159 |
20 | Summit County | America/Denver | 27 994 |
21 | Montezuma County | America/Denver | 25 535 |
22 | Routt County | America/Denver | 23 509 |
23 | Teller County | America/Denver | 23 350 |
24 | Elbert County | America/Denver | 23 086 |
25 | Logan County | America/Denver | 22 709 |
26 | Otero County | America/Denver | 18 831 |
27 | Chaffee County | America/Denver | 17 809 |
28 | Pitkin County | America/Denver | 17 148 |
29 | Park County | America/Denver | 16 206 |
30 | Las Animas County | America/Denver | 15 507 |
31 | Alamosa County | America/Denver | 15 445 |
32 | Gunnison County | America/Denver | 15 324 |
33 | Grand County | America/Denver | 14 843 |
34 | Moffat County | America/Denver | 13 795 |
35 | Prowers County | America/Denver | 12 551 |
36 | Archuleta County | America/Denver | 12 084 |
37 | Rio Grande County | America/Denver | 11 982 |
38 | Yuma County | America/Denver | 10 043 |
39 | Clear Creek County | America/Denver | 9 088 |
40 | Kit Carson County | America/Denver | 8 270 |
41 | Conejos County | America/Denver | 8 256 |
42 | San Miguel County | America/Denver | 7 359 |
43 | Lake County | America/Denver | 7 310 |
44 | Huerfano County | America/Denver | 6 711 |
45 | Rio Blanco County | America/Denver | 6 666 |
46 | Bent County | America/Denver | 6 499 |
47 | Saguache County | America/Denver | 6 108 |
48 | Crowley County | America/Denver | 5 823 |
49 | Lincoln County | America/Denver | 5 467 |
50 | Gilpin County | America/Denver | 5 441 |
51 | Washington County | America/Denver | 4 814 |
52 | Phillips County | America/Denver | 4 442 |
53 | Ouray County | America/Denver | 4 436 |
54 | Custer County | America/Denver | 4 255 |
55 | Baca County | America/Denver | 3 788 |
56 | Costilla County | America/Denver | 3 524 |
57 | Sedgwick County | America/Denver | 2 379 |
58 | Dolores County | America/Denver | 2 064 |
59 | Cheyenne County | America/Denver | 1 836 |
60 | Kiowa County | America/Denver | 1 398 |
61 | Jackson County | America/Denver | 1 394 |
62 | Hinsdale County | America/Denver | 843 |
63 | Mineral County | America/Denver | 712 |
64 | San Juan County | America/Denver | 699 |