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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:
Call United States with Rebtel - Get $10 in free calls now!
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 1-30 (of 399)
Colorado CitiesColorado Area Codes
Agate 719
Aguilar 719
Akron 970
Alamosa 719
Allenspark 303 or 720
Alma 719
Almont 970
Amherst 970
Anton 970
Antonito 719
Arapahoe 719
Arboles 970
Arlington 719
Arriba 719
Arvada 303 or 720
Aspen 970
Atwood 970
Ault 970
Aurora 303 or 720
Austin 970
Avon 970
Avondale 719
Bailey 303 or 720
Basalt 970
Battlement Mesa 970
Bayfield 970
Bedrock 970
Bellvue 970
Bennett 303
Berthoud 303 or 970

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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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