Want to grow your business in the Denver metro area? A 720 number lets you instantly connect with customers in Colorado's capital region — without the need for a physical location. With DialLink, you can secure a 720 area code number and manage all your communications through an intuitive, AI-powered cloud phone system built for startups and SMBs.
Whether you're remote-first or expanding into the Mountain West, DialLink helps you scale customer interactions, automate workflows, and sound local — all from a single platform.
Area code 720 covers the same region as 303, including Denver, Boulder, Aurora, and surrounding suburbs. Introduced as an overlay for the original 303 area code, 720 provides expanded phone number availability in one of the fastest-growing markets in the country.
From tech startups in downtown Denver to real estate professionals in Boulder, a 720 number helps you build local trust and improve answer rates across Colorado's Front Range.
When you choose a local number from DialLink, you get more than just a number:
Automate routine calls, appointment booking, and more
Get insights into calls and improve follow-ups
Customize call flows, routing, and voicemail rules
Answer calls on mobile, desktop, web app, or desk phones
Get started in minutes with no IT experts required
Get AI-generated suggestions and send replies instantly
Whether you're based in Colorado or simply want to break into the market, DialLink's numbers help your business sound local, feel accessible, and stay organized.
Sign up for any DialLink plan
Pick a local number during setup, or port your existing one
Start making and receiving calls instantly via mobile, desktop, web, or desk phones
Need to reach customers beyond Colorado? DialLink offers local and international numbers in 100+ countries, so your business can grow across the U.S. and beyond, all from a single, scalable phone system.
The 720 area code is located in Colorado and primarily serves the Denver metropolitan area. It covers a wide range of cities, including Denver, Aurora, Boulder, Lakewood, Thornton, Westminster, Arvada, Centennial, Longmont, Littleton, and Broomfield, among others.
Area code 720 is located in the state of Colorado. It covers the Denver metro region, including Boulder, Aurora, Lakewood, and surrounding communities.
The 720 area code is an overlay for the 303 area code. Both codes serve the same geographic region in central Colorado.
An overlay area code is a new area code assigned to the same geographic region as an existing one. It allows for more phone numbers to be issued without changing existing numbers.
Start today with DialLink's AI-powered cloud phone system and secure your local number. Project professionalism, build trust, and scale your customer communications with ease.
