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Castle Rock (CO)

This city has 2 area codes

Castle Rock, located in Douglas County, Colorado, is a rapidly growing town situated approximately 20 miles south of Denver. Established in the mid-19th century, Castle Rock was named after a prominent butte resembling a castle turret. The town emerged as a trading hub during the gold rush, leveraging its strategic position along the historic Cherokee Trail.

The population has significantly increased over the past few decades, with a current count exceeding 70,000 residents. This growth reflects a shift from a primarily agricultural community to a suburban enclave that attracts new families and businesses.

Telecommunications in Castle Rock have evolved in response to this increasing population. The town benefits from various service providers, offering high-speed internet and mobile connectivity to meet modern demands. Furthermore, the local government has undertaken initiatives to expand broadband access, recognizing the need for reliable communication infrastructure in education, commerce, and telecommuting, especially highlighted by the COVID-19 pandemic.

Castle Rock's unique geographical location provides scenic views of the Rocky Mountains and accessibility to outdoor recreational activities. Its mix of urban development and natural landscapes continues to shape its community identity, influencing local telecommunications needs and advancements. The town exemplifies the integration of modern technologies within a historically rich environment.

Castle Rock (CO) Listing Area Codes:

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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)

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

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

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

    Calling Castle Rock (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 Castle Rock (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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