America/Denver Time Zone

Countries and territories, largest first

These countries and territories use this time zone. The list doesn’t settle any border question. Country populations are GeoNames figures. GeoNames gives no year for them, so they are not current estimates and may differ in age from country to country.

1. United States327,167,434 people

Counties and equivalents, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Salt Lake County, Utah1,220,916 people
2. El Paso County, Texas877,858 people
3. Utah County, Utah759,859 people
4. El Paso County, Colorado757,040 people
5. Denver County, Colorado740,613 people
6. Arapahoe County, Colorado673,820 people
7. Bernalillo County, New Mexico667,601 people
8. Jefferson County, Colorado580,451 people
9. Adams County, Colorado554,668 people
10. Douglas County, Colorado399,396 people
11. Davis County, Utah381,227 people
12. Weld County, Colorado378,426 people

See all 262 counties and equivalents in Mountain Time (America/Denver), largest first

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. Denver, Colorado (city)718,877 people
2. El Paso, Texas (city)680,130 people
3. Albuquerque, New Mexico (city)562,218 people
4. Colorado Springs, Colorado (city)487,887 people
5. Aurora, Colorado (city)394,432 people
6. Salt Lake City, Utah (city)208,007 people
7. Fort Collins, Colorado (city)170,229 people
8. Lakewood, Colorado (city)156,583 people
9. Thornton, Colorado (city)144,187 people
10. West Valley City, Utah (city)138,437 people
11. Arvada, Colorado (city)122,634 people
12. Billings, Montana (city)119,434 people

See all 2,330 cities, towns and communities in Mountain Time (America/Denver), largest first

ZIP Code areas, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

1. ZIP 79936102,991 people
2. ZIP 7993899,621 people
3. ZIP 8404388,390 people
4. ZIP 7992886,599 people
5. ZIP 8013480,302 people
6. ZIP 7991278,819 people
7. ZIP 8712175,510 people
8. ZIP 8409674,603 people
9. ZIP 8001373,248 people
10. ZIP 8001572,316 people
11. ZIP 8401571,812 people
12. ZIP 8711470,117 people

See all 2,060 ZIP Code areas in Mountain Time (America/Denver), largest first

Bordering areas, nearest first

Distances are straight lines between map points.

1. America/Phoenix435 mi southwest
2. America/Boise448 mi northwest
3. America/North_Dakota/New_Salem593 mi northeast
4. America/Los_Angeles596 mi west
5. America/Ciudad_Juarez607 mi south
6. America/North_Dakota/Beulah608 mi northeast
7. America/Hermosillo735 mi south
8. America/Chicago763 mi east
9. America/Creston784 mi northwest
10. America/Swift_Current834 mi north
11. America/Regina1,026 mi north
12. America/Edmonton2,274 mi north

Check the time at a point

Clock rules and political boundaries use different sources. For a location near a line, check the precise point instead of choosing a clock from a country outline.

Boundary data adapted from © OpenStreetMap contributors, under ODbL.

Find the time zone at your location or check and copy your coordinates.