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Denver (CO)

This city has 2 area codes

Denver, Colorado, known as the "Mile High City," sits at an elevation of exactly one mile (5,280 feet) above sea level. Founded in 1858 during the Gold Rush era, Denver quickly became a hub for mining and trade. Its strategic location along the South Platte River positioned it as a key supply center for miners and settlers headed west. Over the years, Denver evolved into the state capital and a vital economic center in the Rocky Mountain region.

As an urban center, Denver emphasizes technological advancement and connectivity, particularly in telecommunications. The city hosts a robust telecommunications infrastructure, driven by the presence of major providers and innovative startups. The development of fiber-optic networks has significantly enhanced internet speed and accessibility, making Denver a competitive market for businesses and residents seeking high-quality digital services.

Denver's geographic location also positions it as a primary relay point for telecom infrastructure, connecting the West Coast to the Midwest. The city’s tech ecosystem benefits from the local universities, which foster research and talent in telecommunications and information technology fields. Additionally, the convergence of tech and outdoor lifestyle attracts a diverse population, contributing to the demand for advanced telecommunications solutions.

With a combination of historical richness and modern connectivity initiatives, Denver exemplifies a city adapting to both its past and future in the realm of telecommunications.

Denver (CO) Listing Area Codes:

Arvada (CO)

Aurora (CO)

Boulder (CO)

Brighton (CO)

Broomfield (CO)

Castle Rock (CO)

Castlewood (CO)

Columbine (CO)

Commerce City (CO)

Denver (CO)

Englewood (CO)

Highlands Ranch (CO)

Ken Caryl (CO)

Lafayette (CO)

Lakewood (CO)

Littleton (CO)

Longmont (CO)

Loveland (CO)

Northglenn (CO)

Parker (CO)

Southglenn (CO)

Thornton (CO)

Westminster (CO)

Wheat Ridge (CO)

Arvada (CO)

Aurora (CO)

Boulder (CO)

Brighton (CO)

Broomfield (CO)

Castle Rock (CO)

Castlewood (CO)

Columbine (CO)

Commerce City (CO)

Denver (CO)

Englewood (CO)

Highlands Ranch (CO)

Ken Caryl (CO)

Lafayette (CO)

Lakewood (CO)

Littleton (CO)

Longmont (CO)

Loveland (CO)

Northglenn (CO)

Parker (CO)

Southglenn (CO)

Thornton (CO)

Westminster (CO)

Wheat Ridge (CO)

Denver (CO) Area Codes:
303
720
  • What is the Denver (CO)'s Area Code?

    Denver (CO) has 2 area codes (303, 720). These area codes are split between cities or states, so if you want to call to Denver (CO), you need to know exactly where you would like to call.

  • How to call Denver (CO) from another state in the U.S?

    Calling Denver (CO) from another state in the United States is considered a long-distance call. Here’s how to make the call: First, dial the area code for Denver (CO). Each state, and sometimes specific cities within a state, has unique area codes. Then, enter the 7-digit phone number of the person or business you’re trying to reach. If you’re calling from a landline, check with your provider, as long-distance charges may apply. However, most mobile carriers in the U.S. offer nationwide calling without additional fees. Alternatively, you can use VoIP or internet-based calling apps, like Skype, Zoom, or WhatsApp, to bypass traditional long-distance charges. The number you want to reach should look like this: 1-(AreaCode)-111-2222.

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