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US State Coverage

Colorado

Browse all 5 active Area Codes serving the state of Colorado.

Home › Colorado

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Capital City

Capital

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14,530,759

Population

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1888

Statehood

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Active Codes

Geographic Coverage

All Colorado Area Codes

303 View Details 719 View Details 720 View Details 970 View Details 983 View Details

About Colorado

Colorado is served by 5 unique area codes. Major metropolitan areas like Denver typically have multiple overlays to support high demand.

Telecommunications Context

The telecommunications history of Colorado is a fascinating journey of growth and innovation. As one of the key regions in the national numbering plan, this area has seen numerous shifts from early manual exchanges to today's high-speed digital networks. Served by multiple area codes, Colorado continues to lead in connectivity, supporting both urban hubs and rural communities. Each area code within the state represents a unique geographic and economic sector, contributing to the overall connectivity of the nation.