Get a 720 Area Code Business Phone & Answering Service

The 720 area code is a prominent telephone area code for the Denver metropolitan area and the Front Range region of Colorado. This area is known for its stunning mountain landscapes, a vibrant outdoor lifestyle, and a rapidly growing economy.

It operates in the Mountain Time Zone and is essential for businesses aiming to establish a local presence and build credibility in one of the United States' most economically powerful and culturally influential regions.

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What is 720 Area Code?

The 720 area code was introduced on September 1, 1998, as an overlay to the original 303 area code. The 303 area code had served the entire state of Colorado since 1947, but rapid population growth and the proliferation of mobile phones in the Denver-Boulder area necessitated a new solution.

As an overlay, both the 720 and 303 area codes serve the exact same geographic region. This requires all local calls to be dialed with a full ten-digit number, a standard practice in major metropolitan areas.

  • State: Colorado
  • Major Cities: Denver, Aurora, Boulder, Lakewood, Littleton
  • Time Zone: Mountain Standard Time (MST) / Mountain Daylight Time (MDT)
  • Established: September 1, 1998
  • Overlay Area Code: 303, 983
  • Region Population: Over 2.8 million (shared with 303 and 983)
  • Primary Uses: Business, Residential

Population & Demographics of 720 Area Code

The 720 area code serves a highly diverse population with a blend of urban, suburban, and mountain communities. The region is a cultural melting pot, attracting a young, educated workforce and a growing number of businesses.

The economy is a powerhouse driven by technology, aerospace, healthcare, and professional services. The presence of major universities and a strong startup scene contributes to a highly educated and innovative workforce, making it a key location for business development.

720 Area Code Time Zone

The 720 area code is located entirely within the Mountain Time Zone (MT). This is a crucial detail for businesses, as it aligns with the Rocky Mountain region's major economic centers and provides a convenient bridge between East and West Coast business hours.

Business Importance of 720 Area Code

A local phone number is a strategic asset for businesses looking to penetrate the competitive Denver market. The 720 area code immediately signals a business's connection to the prestige and influence of Colorado's Front Range.

Why Local Numbers Build Trust

When customers see a local 720 area code number, they recognize it as a legitimate and established part of the community. This association with iconic cities like Denver and Boulder can significantly boost a business's credibility. Consumers are more likely to answer calls from a local number, which directly translates to higher engagement and a better chance of converting a lead. 

For small businesses, using a local 720 area code number shows a commitment to serving the Colorado community. For larger enterprises, it signals accessibility and helps build stronger relationships with regional customers.

Enterprise Businesses That Benefit From a Local 720 Number

Some well-known enterprises that would benefit from a local 720 number include:

Technology & Aerospace 

Denver is a major hub for technology and aerospace. A local number is a necessity for tech firms, managed service providers, and aerospace companies to operate effectively.

  • Lockheed Martin: Maintains extensive facilities in the Denver area, contributing to the region's strong aerospace industry.
  • Comcast: A major employer and a key player in the telecommunications and technology sector in the region.
  • Oracle: Has a significant office in the Denver Tech Center, a prominent business hub.

Healthcare & Hospitals 

Healthcare systems, clinics, and hospitals in the Denver metro area rely on reliable communication for scheduling and patient support. A local number builds trust with patients.

  • UCHealth: A leading academic medical center with a major campus in Aurora, known for its research and advanced patient care.
  • Kaiser Permanente: A major healthcare provider with numerous medical offices and hospitals throughout the Front Range.
  • Children's Hospital Colorado: A nationally ranked pediatric hospital that provides specialized care for children.

Logistics & Transportation 

With its central location in the U.S., the 720 area code is a key logistics hub for goods moving throughout the country. Logistics companies use local numbers to manage supply chains and provide timely support for local and global clients.

  • Union Pacific: A major freight railroad with a significant presence in the Denver area, serving as a critical link in the national rail network.
  • Denver International Airport (DIA): A major airport and a key hub for cargo and logistics.

Finance and Banking 

The financial sector in the 720 area code serves a clientele of high-net-worth individuals, corporations, and small businesses. A local number signals prestige and trust.

  • FirstBank: A major Colorado-based bank with a strong local presence throughout the Front Range.
  • Wells Fargo: A major national bank with numerous branches in the Denver metropolitan area.
  • Charles Schwab: Has a significant presence in the Denver Tech Center, serving a wide range of financial clients.

Insurance 

The insurance sector requires constant customer support for claims, policy updates, and emergency response. AI answering services streamline client interactions and reduce wait times.

  • State Farm: Has a strong presence in the 720 area, with numerous local agents serving the communities of Denver, Aurora, and Boulder.
  • Farmers Insurance Group: With a large network of agents throughout the Front Range, offering a wide range of personal and business insurance products.
  • Geico: A major insurance company with a significant operational presence in the area.

How to Get a 720 Area Code Number?

Setting up your 720 area code number with Goodcall is quick and straightforward. Here’s how it works:

  1. Sign Up: Create your account with Goodcall using basic business details.
  2. Select Your Plan: Choose the pricing plan that best matches your company’s needs.
  3. Complete KYC: Verify your identity and business information for compliance.
  4. Pick a Number: Browse available 720 numbers and select the one you want.
  5. Customize Agent: Set up your AI-powered answering agent with greetings, call routing, and voicemail preferences.
  6. Go Live: Activate your number and start receiving calls immediately.

Benefits of Using Goodcall for the 720 Area Code

Choosing Goodcall means more than just getting a local number; it means equipping your business with tools to handle calls efficiently.

  • 24/7 Availability: Ensure no customer call is missed.
  • AI Answering Services: Professional, automated responses for smoother communication.
  • Cost-Effective: Flexible pricing designed for small to enterprise-level businesses.
  • Scalable Solutions: Upgrade features as your business grows.
  • Local Credibility: Build customer trust with a recognizable area code.

With these advantages, Goodcall makes it easier for you to manage calls and focus on growing your business.

Pricing Plans for Local Numbers

Our local 720 area code numbers come with affordable pricing plans designed to fit every business size. We offer flexible pricing options that scale with your needs, whether you’re a startup or an established enterprise. Additionally, you can save 30% on annual subscriptions, giving your business more value at a lower cost.

Nearby Area Codes to 720

Apart from the 720 area code in the Denver metropolitan area, several nearby area codes cover the surrounding regions. These codes are useful if your business extends beyond the core of the city:

Areas Area Code
Colorado (Fort Collins, Greeley, and Grand Junction) 970
Southern Colorado (Colorado Springs, Pueblo) 719
Southwestern Wyoming (Cheyenne, Laramie) 307
Western Kansas (Colby, Goodland) 785
Western Nebraska (Grand Island, Kearney, and North Platte) 308

Frequently Asked Questions

What is the 720 area code, and where is it located?

The 720 area code is a telephone area code for the Denver metropolitan area and the Front Range region of Colorado. It is an overlay of the 303 and 983 area codes.

What cities does the 720 area code cover?

It covers major cities like Denver, Aurora, Boulder, Lakewood, and Littleton, as well as many other communities in the Front Range.

What time zone is area code 720 in?

The 720 area code is in the Mountain Time Zone (MT).

Does the 720 area code get spam calls?

Like any area code, spam and robocalls do occur, but using a trusted business provider like Goodcall helps filter unwanted calls.

Which types of businesses benefit most from a local 720 number?

Hospitality, gaming, real estate, and entertainment businesses benefit from a 720 number, as it boosts local trust and visibility.

How can I get a local 720 area code number for my business?

You can get a 720 number easily by signing up with Goodcall, choosing your plan, and selecting your preferred local number.

Can I forward calls from my 720 number elsewhere?

Yes. With Goodcall, you can forward calls to any phone, ensuring you never miss a customer inquiry.

How much does it cost to get a 720 area code number?

Goodcall plans are affordable and flexible, starting from $59/month with discounts on annual subscriptions.

Is the 720 area code toll-free?

No, a 720 area code number is a standard local number, not a toll-free number. Toll-free numbers have prefixes such as 800, 888, 877, etc.

Last updated:
September 9, 2025

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What is 720 Area Code?

The 720 area code was introduced on September 1, 1998, as an overlay to the original 303 area code. The 303 area code had served the entire state of Colorado since 1947, but rapid population growth and the proliferation of mobile phones in the Denver-Boulder area necessitated a new solution.

As an overlay, both the 720 and 303 area codes serve the exact same geographic region. This requires all local calls to be dialed with a full ten-digit number, a standard practice in major metropolitan areas.

  • State: Colorado
  • Major Cities: Denver, Aurora, Boulder, Lakewood, Littleton
  • Time Zone: Mountain Standard Time (MST) / Mountain Daylight Time (MDT)
  • Established: September 1, 1998
  • Overlay Area Code: 303, 983
  • Region Population: Over 2.8 million (shared with 303 and 983)
  • Primary Uses: Business, Residential

Population & Demographics of 720 Area Code

The 720 area code serves a highly diverse population with a blend of urban, suburban, and mountain communities. The region is a cultural melting pot, attracting a young, educated workforce and a growing number of businesses.

The economy is a powerhouse driven by technology, aerospace, healthcare, and professional services. The presence of major universities and a strong startup scene contributes to a highly educated and innovative workforce, making it a key location for business development.

720 Area Code Time Zone

The 720 area code is located entirely within the Mountain Time Zone (MT). This is a crucial detail for businesses, as it aligns with the Rocky Mountain region's major economic centers and provides a convenient bridge between East and West Coast business hours.