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

Colorado Information

The United States country code is 1

The local time in Colorado, United States is (CLICK FOR TIME ZONES)

Get the mobile country codes for Colorado, United States.

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

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

For an emergency in United States, dial the following numbers:

Medical - 911
Fire - 911
Police - 911

Local Telephone Prefix:

1 is the trunk code for United States

United States 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 391-399 (of 399)

Colorado Cities	Colorado Area Codes
Wolcott	970
Woodland Park	303 or 719
Woodrow	970
Woody Creek	970
Wray	970
Yampa	970
Yellow Jacket	970
Yoder	719
Yuma	970

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Telephone Area Codes For Colorado, United States

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