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United States Country Codes

Colorado State Flag
Colorado Area Codes

To call Colorado, dial the following:

Exit Code + 1 + Area Code + The Number

* Do not dial the plus (+) symbols

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Colorado Information

World Time Zones The United States country code is 1
World Time Zones The local time in Colorado, United States is (CLICK FOR TIME ZONES)
Mobile Country Codes for Colorado Get the mobile country codes for Colorado, United States.
State Information Information about Colorado:
Colorado on Wikipedia
The currency of United States is the United States Dollar.
The capital of Colorado is Denver
Largest Cities in Colorado by population: Denver, Colorado Springs, Aurora, Fort Collins, Lakewood, Thornton, Pueblo, Arvada, Westminster, Centennial
Country Information United States Information:
United States on Wikipedia
The currency of United States is the United States Dollar.
United States is often referred to as US or USA.
The nationality of the United States is American.
The capital of United States is Washington, D.C.
Largest Cities in United States by population: New York, Los Angeles, Chicago, Houston, Philadelphia, Phoenix, San Antonio, San Diego, Dallas, San Jose
United States Emergency Numbers United States Emergency Numbers
For an emergency in United States, dial the following numbers:
Medical - 911
Fire - 911
Police - 911
Local Telephone Prefix Local Telephone Prefix:
1 is the trunk code for United States
Calling cards More ways to call Colorado United States:
Area Code Map of Colorado
Colorado area code map

The US country code and Colorado US area code chart below gives you the necessary information for calling American cities. For international dialing codes and detailed dialing instructions to Colorado United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.

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Area Codes 31-60 (of 399)
Colorado CitiesColorado Area Codes
Bethune 719
Beulah 719
Black Hawk 303 or 720
Blanca 719
Boncarbo 719
Bond 970
Boone 719
Boulder 303 or 720
Branson 719
Breckenridge 970
Briggsdale 970
Brighton 303 or 720
Broomfield 303 or 720
Brush 970
Buena Vista 719
Buffalo Creek 303
Burlington 719 or 970
Burns 970
Byers 303
Cahone 970
Calhan 719
Campo 719
Canon City 719
Capulin 719
Carbondale 970
Carr 970
Cascade 719
Castle Rock 303 or 720
Cedaredge 970
Center 719

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Telephone Area Codes For Colorado, United States


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We hope that our Country Calling Codes quick reference international phonebook has helped you to find the Colorado United States country code and make your international call. Don't forget to share our US phone book with your friends and bookmark it to help with all of your future international calls!

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