LOG IN / SIGN UP

Denver County Area Codes

About Denver County Area Codes

The county of Denver County, located in Colorado, is served by 2 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Denver County include 303, 720. The county mainly follows the America/Denver time zone.

Cities and towns served by these area codes in Denver County include Denver.

List of Area Codes in Denver County, Colorado

The table below lists all telephone area codes used in Denver County, Colorado, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 303 Denver America/Denver
2 720 Denver America/Denver


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in Colorado
  • Individual area code details are available from the table above.

County Area Codes in Colorado

  1. Adams County Area Codes
  2. Arapahoe County Area Codes
  3. Boulder County Area Codes
  4. Broomfield County Area Codes
  5. Denver County Area Codes
  6. Douglas County Area Codes
  7. El Paso County Area Codes
  8. Jefferson County Area Codes
  9. Larimer County Area Codes
  10. Mesa County Area Codes
  11. Pueblo County Area Codes
  12. Weld County Area Codes

US State Area Codes

  1. Alabama Area Codes
  2. Alaska Area Codes
  3. Arizona Area Codes
  4. Arkansas Area Codes
  5. California Area Codes
  6. Colorado Area Codes
  7. Connecticut Area Codes
  8. Delaware Area Codes
  9. District of Columbia Area Codes
  10. Florida Area Codes
  11. Georgia Area Codes
  12. Hawaii Area Codes
  13. Idaho Area Codes
  14. Illinois Area Codes
  15. Indiana Area Codes
  16. Iowa Area Codes
  17. Kansas Area Codes
  18. Kentucky Area Codes
  19. Louisiana Area Codes
  20. Maine Area Codes
  21. Maryland Area Codes
  22. Massachusetts Area Codes
  23. Michigan Area Codes
  24. Minnesota Area Codes
  25. Mississippi Area Codes
  26. Missouri Area Codes
  27. Montana Area Codes
  28. Nebraska Area Codes
  29. Nevada Area Codes
  30. New Hampshire Area Codes
  31. New Jersey Area Codes
  32. New Mexico Area Codes
  33. New York Area Codes
  34. North Carolina Area Codes
  35. North Dakota Area Codes
  36. Ohio Area Codes
  37. Oklahoma Area Codes
  38. Oregon Area Codes
  39. Pennsylvania Area Codes
  40. Rhode Island Area Codes
  41. South Carolina Area Codes
  42. South Dakota Area Codes
  43. Tennessee Area Codes
  44. Texas Area Codes
  45. Utah Area Codes
  46. Vermont Area Codes
  47. Virginia Area Codes
  48. Washington Area Codes
  49. West Virginia Area Codes
  50. Wisconsin Area Codes
  51. Wyoming Area Codes